[glib: 2/2] Merge branch 'G_SOURCE_FUNC-macro' into 'master'

[Philip Withnall <pwithnall src gnome org>]

commit d8c003dea685397dbdd895cdb0f90ec33352ee3e
Merge: c26558c1b 039fa6897
Author: Philip Withnall <philip tecnocode co uk>
Date:   Thu Jun 14 09:34:12 2018 +0000

    Merge branch 'G_SOURCE_FUNC-macro' into 'master'
    
    Add G_SOURCE_FUNC cast macro which suppresses -Wcast-function-type
    
    See merge request GNOME/glib!82

 docs/reference/glib/glib-sections.txt |  1 +
 glib/gmain.c                          |  3 ++-
 glib/gmain.h                          | 22 ++++++++++++++++++++++
 glib/tests/mainloop.c                 | 16 +++++++++++++++-
 4 files changed, 40 insertions(+), 2 deletions(-)
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