Giovanni Campagna e01baf2a25 Fix critical when setting a NULL label
st_label_set_text() does not accept NULL, and emits a g_critical
in that case.

https://bugzilla.gnome.org/show_bug.cgi?id=654638
2011-08-01 16:40:25 +02:00
..
2011-07-13 19:45:29 +02:00