statusbar: fix removal segfault

Signed-off-by: Julien Danjou <julien@danjou.info>

statusbar.c

@@ -399,6 +399,7 @@ luaA_statusbar_widget_remove(lua_State *L)
     widget_t **widget = luaA_checkudata(L, 2, "widget");
     widget_node_t *w;
 
+widget_remove_loop:
     for(w = (*sb)->widgets; w; w = w->next)
         if(w->widget == *widget)
         {
@@ -406,6 +407,8 @@ luaA_statusbar_widget_remove(lua_State *L)
             widget_node_list_detach(&(*sb)->widgets, w);
             p_delete(&w);
             (*sb)->need_update = true;
+            /* need to jump out the loop */
+            goto widget_remove_loop;
         }
 
     return 0;