Annotate nullable argument
authorEmmanuele Bassi <ebassi@gnome.org>
Sun, 28 Jun 2020 12:39:17 +0000 (13:39 +0100)
committerEmmanuele Bassi <ebassi@gnome.org>
Sun, 28 Jun 2020 12:41:54 +0000 (13:41 +0100)
commit6a4b5ead86749c1073ca5ac2e83a443f40970b24
tree315a23aefde5dc6bfe7eaa00a51e08b60af044f0
parentace4eac25a7527912ea2f23ed84a8bc66ef6d9f6
Annotate nullable argument

The `this_` argument is passed to `gtk_expression_watch()`, which
accepts it as nullable.

Fixes: #2900
gtk/gtkexpression.c