[gtk: 2/2] Merge branch 'mkenums-once' into 'master'

[Emmanuele Bassi <ebassi src gnome org>]

commit 9bbd489f06ed2390dac3808135005a9942aef5ae
Merge: 9f739ab135 2a9b3c6a0c
Author: Emmanuele Bassi <ebassi gmail com>
Date:   Tue May 21 16:42:05 2019 +0000

    Merge branch 'mkenums-once' into 'master'
    
    Use g_once for all the mkenums template files
    
    Closes #1617
    
    See merge request GNOME/gtk!865

 gdk/gdkenumtypes.c.template           | 21 +++++++++++++--------
 gtk/gtkprivatetypebuiltins.c.template | 21 +++++++++++++--------
 gtk/gtktypebuiltins.c.template        | 21 +++++++++++++--------
 3 files changed, 39 insertions(+), 24 deletions(-)
---