add: wFreeColor(scr, color->pixel);
context: setIconTitleColor(WScreen *scr, WDefaultEntry *entry, XColor *color, void *foo){    if (scr->icon_title_color)        WMReleaseColor(scr->icon_title_color);    scr->icon_title_color = WMCreateRGBColor(scr->wmscreen, color->red,                                             color->green, color->blue,                                             True);        return REFRESH_ICON_TITLE_COLOR;}