Added needed NULL pointer check.
Added needed NULL pointer check.

2007-06-05  Benjamin Berg  <benjamin@sipsolutions.net>

	* engines/clearlooks/src/support.c:
	(clearlooks_set_toolbar_parameters):
	Added needed NULL pointer check.

svn path=/trunk/; revision=750

GNOME/gtk-theme-engine-clearlooks,GNOME/gtk-theme-engine-clearlooks