Make sure the glib schema is packaged.

Submitted by:	Oleg on IRC.


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373665 35697150-7ecd-e111-bb59-0022644237b5
Unbreak the build against Clang 3.5.0.

Requested by:	antoine


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373666 35697150-7ecd-e111-bb59-0022644237b5