[wing] subproject glib: we need a revision

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 34232643ade4823567ce73b2725b1dcc36714209
Author: Ignacio Casal Quinteiro <qignacio amazon com>
Date:   Wed Aug 22 12:50:04 2018 +0200

    subproject glib: we need a revision

 subprojects/glib.wrap | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/subprojects/glib.wrap b/subprojects/glib.wrap
index e9cfee7..f3d107c 100644
--- a/subprojects/glib.wrap
+++ b/subprojects/glib.wrap
@@ -1,3 +1,4 @@
 [wrap-git]
 directory=glib
 url=https://gitlab.gnome.org/GNOME/glib.git
+revision=master