rem: free(gnustepPanel);
add: wfree(gnustepPanel);
context: destroyGNUstepPanel(WCoreWindow *foo, void *data, XEvent *event){    WMUnmapWidget(gnustepPanel->win);    WMDestroyWidget(gnustepPanel->win);        wUnmanageWindow(gnustepPanel->wwin, False, False);    free(gnustepPanel);    gnustepPanel = NULL;}