Disable warnings about deprecated functions for stable branch
Disable warnings about deprecated functions for stable branch

Since this is a stable branch, we're unlikely to fix uses of deprecated
functions, so we shouldn't warn about them. To be reverted in the 0.9 branch.

freedesktop-unofficial-mirror/telepathy__telepathy-rakia,freedesktop-unofficial-mirror/telepathy__telepathy-rakia,freedesktop-unofficial-mirror/telepathy__telepathy-rakia