Do a basic check for widget validity in CLAWS_SET_TIP().
authorAndrej Kacian <ticho@claws-mail.org>
Wed, 24 Aug 2016 11:39:33 +0000 (13:39 +0200)
committerAndrej Kacian <ticho@claws-mail.org>
Wed, 24 Aug 2016 11:58:08 +0000 (13:58 +0200)
commit61b7a029bb2089eeb80e3bafbf944266c6a6c046
treeb83e55ad11f4463401467b607e886b6de0ee58e5
parenta22303ce00367add653f0b87d8e2d301bb15e9f9
Do a basic check for widget validity in CLAWS_SET_TIP().

Inspired by patch in bug #3678.
src/gtk/gtkutils.h