--- gnome-disk-utility-3.28.2/meson.build.c99	2018-05-08 08:43:29.000000000 +0200
+++ gnome-disk-utility-3.28.2/meson.build	2018-05-24 00:08:49.773252035 +0200
@@ -2,7 +2,10 @@
   'gnome-disk-utility', 'c',
   version: '3.28.2',
   license: 'GPL2.0',
-  default_options: 'buildtype=debugoptimized',
+  default_options: [
+    'buildtype=debugoptimized',
+    'c_std=c99',
+  ],
   meson_version: '>= 0.43.0'
 )