rem: RReleaseImage(panel->tile);
add: if (panel->tile) RReleaseImage(panel->tile);
context: void wSwitchPanelDestroy(WSwitchPanel *panel){  int i;  RImage *image;  WM_ITERATE_ARRAY(panel->images, image, i) {    if (image)      RReleaseImage(image);  }  WMDestroyWidget(panel->win);  WMFreeArray(panel->icons);  WMFreeArray(panel->windows);  WMFreeArray(panel->images);  WMReleaseColor(panel->selectColor);  WMReleaseColor(panel->normalColor);  if (panel->defIcon)    RReleaseImage(panel->defIcon);  RReleaseImage(panel->tile);  wfree(panel);}