Recommended update for glib2
This update for glib2 fixes the following issues:
- Fixed a race condition with GDBus server authentication
(boo#1155768, GNOME GitLab #1831)
- Submitted by Fuminobu Takeyama (ftake)
Fixed bugs
bnc#1155768
glib2: libdbus client fail to authenticate due to race condition with GDBusServer