Fix some nullable Returns annotations
authorDaniel Boles <dboles@src.gnome.org>
Thu, 3 Aug 2017 19:26:18 +0000 (20:26 +0100)
committerDaniel Boles <dboles@src.gnome.org>
Thu, 3 Aug 2017 19:27:29 +0000 (20:27 +0100)
commitbae6d3d45ca62b1f6d586f9588bc4f7551060a61
tree40b9b055ad681d4bd696819cb5f332a5a128106b
parentedbe6b3360b3f3c3fd73a5a13760948ef57c5737
Fix some nullable Returns annotations

based on reports and patches by Iñaki García Etxebarria:

https://bugzilla.gnome.org/show_bug.cgi?id=781246
https://bugzilla.gnome.org/show_bug.cgi?id=785423
gtk/gtkbin.c
gtk/gtkwidget.c