rem: free(panel);
add: wfree(panel);
context: WMFreeFontPanel(WMFontPanel *panel){    if (panel == WMWidgetScreen(panel->win)->sharedFontPanel) {	WMWidgetScreen(panel->win)->sharedFontPanel = NULL;    }    WMRemoveNotificationObserver(panel);    WMUnmapWidget(panel->win);    WMDestroyWidget(panel->win);    free(panel);}