Edje: Edje_Text: Don't segfault on _edje_text_part_on_del if there is

not 'part'

Don't ask me how I found this one, but it happened :/ so trap for
valid part before trying to use it.



SVN revision: 58516

legacy/edje/src/lib/edje_text.c

@@ -60,6 +60,7 @@ _edje_text_part_on_del(Edje *ed, Edje_Part *pt)
    Edje_Part_Description_Text *desc;
    unsigned int i;
 
+   if (!pt) return;
    if (pt->type != EDJE_PART_TYPE_TEXT
        && pt->type != EDJE_PART_TYPE_TEXTBLOCK)
      return ;