Do not build-deps on libwebkit-clutter on arm64.

Signed-off-by: Andrew Lee (李健秋) <andrew.lee@collabora.co.uk>
Reviewed-by: Andrew Shadura <andrew.shadura@collabora.co.uk>
Differential Revision: https://phabricator.apertis.org/D6144

debian/control

@@ -20,7 +20,7 @@ Build-Depends:
  libtelepathy-glib-dev,
  libtool,
  libtracker-sparql-1.0-dev,
- libwebkit-clutter-dev,
+ libwebkit-clutter-dev [!arm64],
  pkg-config,
  python,
  python-yaml,