Imported using git-ubuntu import.

Changelog parent: 6d870771

New changelog entries:
  [ Aurelien Jarno ]
  * New upstream release: version 2.23, with git updates up to 2016-03-12:
    - Fix German translation of "Alarm clock".  Closes: #291293.
    - Fix strtol in Turkish locales.  Closes: #458611.
    - Add LFS support for fts functions.  Closes: #534521.
    - Fix build with GCC 6.  Closes: #811574.
    - Fix unbounded stack allocation in nan* functions (CVE-2014-9761).
      Closes: #813187.
    - debian/patches/localedata/locale-ku_TR.diff: rebased.
    - debian/patches/localedata/fix-lang.diff: upstreamed.
    - debian/patches/localedata/first_weekday.diff: rebased.
    - debian/patches/localedata/locale-nb_NO.diff: upstreamed.
    - debian/patches/localedata/cvs-bg_BG-t_fmt.diff: upstreamed.
    - debian/patches/alpha/local-string-functions.diff: rebased.
    - debian/patches/amd64/local-blacklist-for-Intel-TSX.diff: rebased.
    - debian/patches/arm/local-ioperm.diff: dropped.
    - debian/patches/hppa/cvs-allocatestack-stacktop.diff: upstreamed.
    - debian/patches/hppa/local-pthread_spin_unlock.diff: upstreamed.
    - debian/patches/hppa/submitted-mathdef.diff: upstreamed.
    - debian/patches/hppa/cvs-update-mman.h.diff: upstreamed.
    - debian/patches/hppa/submitted-dladdr.diff: upstreamed.
    - debian/patches/hurd-i386/local-enable-ldconfig.diff: rebased.
    - debian/patches/hurd-i386/tg-tls.diff: rebased.
    - debian/patches/hurd-i386/tg-tls-threadvar.diff: rebased.
    - debian/patches/hurd-i386/tg-hurdsig-fixes.diff: rebased.
    - debian/patches/hurd-i386/tg-hurdsig-global-dispositions.diff: rebased.
    - debian/patches/hurd-i386/cvs-libpthread.diff: updated.
    - debian/patches/hurd-i386/unsubmitted-gnumach.defs.diff: rebased.
    - debian/patches/hurd-i386/submitted-fork_port_leak.diff: upstreamed.
    - debian/patches/hurd-i386/tg-libc_getspecific.diff: rebased.
    - debian/patches/hurd-i386/cvs-libpthread-libc-lockP.diff: upstreamed.
    - debian/patches/hurd-i386/tg-mmap32th_bit.diff: upstreamed.
    - debian/patches/hurd-i386/tg-sysheaders.diff: upstreamed.
    - debian/patches/hurd-i386/cvs-bootstrap.diff: upstreamed.
    - debian/patches/hurd-i386/cvs-cache-mach_host_self.diff: upstreamed.
    - debian/patches/hurd-i386/cvs-csu_crt0.diff: upstreamed.
    - debian/patches/hurd-i386/cvs-s_scalbn.diff: upstreamed.
    - debian/patches/hurd-i386/local-mach_print.diff: rebased.
    - debian/patches/hurd-i386/cvs-hidden.diff: rebased.
    - debian/patches/hurd-i386/cvs-O_DIRECTORY.diff: upstreamed.
    - debian/patches/hurd-i386/cvs-raise-longjump.diff: upstreamed.
    - debian/patches/i386/local-i386-ulps.diff: dropped.
    - debian/patches/kfreebsd/local-scripts.diff: rebased.
    - debian/patches/m68k/submitted-gcc34-seccomment.diff: rebased.
    - debian/patches/mips/cvs-testsuite-o32-fp.diff: upstreamed.
    - debian/patches/powerpc/local-powerpc8xx-dcbz.diff: rebased.
    - debian/patches/sh4/local-fpscr_values.diff: rebased.
    - debian/patches/any/local-bindresvport_blacklist.diff: rebased.
    - debian/patches/any/local-libgcc-compat-main.diff: rebased.
    - debian/patches/any/local-libgcc-compat-abilists.diff: rebased.
    - debian/patches/any/local-mktemp.diff: upstreamed.
    - debian/patches/any/cvs-stdio-lock.diff: upstreamed.
    - debian/patches/any/local-tcsetaddr.diff: rebased.
    - debian/patches/any/local-tst-mktime2.diff: rebased.
    - debian/patches/any/submitted-nis-netgrp.diff: upstreamed.
    - debian/patches/any/submitted-longdouble.diff: rebased.
    - debian/patches/any/local-dynamic-resolvconf.diff: rebased.
    - debian/patches/any/local-static-dlopen-search-path.diff: upstreamed.
    - debian/patches/any/local-math-logb.diff: upstreamed.
    - debian/patches/any/cvs-gawk-gensub.diff: upstreamed.
    - debian/patches/any/cvs-grantpt-namespace.diff: upstreamed.
    - debian/patches/any/cvs-grantpt-pty-owner.diff: upstreamed.
    - debian/patches/any/cvs-bits-libc-stdio-lock.diff: upstreamed.
    - debian/patches/any/submitted-hle-checking-mutex.diff: upstreamed.
    - debian/{control,symbols.wildcards,copyright}: Updated strings for 2.23.
    - debian/patches/kfreebsd/local-undef-glibc.diff: rebased.
    - debian/patches/kfreebsd/local-tst-malloc-backtrace.diff: rebased,
      renamed into local-tst-malloc-fbtl.diff.
    - debian/patches/hurd-i386/submitted-net.diff: rebased.
    - debian/patches/hurd-i386/tg-bits_atomic.h_multiple_threads.diff:
      rebased.
    - debian/patches/hurd-i386/submitted-handle-eprototype.diff: dropped.
  * debian/testsuite-xfail-debian.mk (powerpc) mark tst-malloc-thread-fail
    test as xfail, it is a known issue and not a regression.
  * debian/testsuite-xfail-debian.mk (mipsel): mark a few math tests are
    failing, due to a bug in the Loongson 3 FPU.
  * patches/kfreebsd/local-fbtl.diff: update to revision 5940 (from
    glibc-bsd).