rem: free(icon->command);
add: wfree(icon->command);
context: updateCommand(WAppIcon *icon, char *command){    if (icon->command)	free(icon->command);    if (command && (command[0]==0 || (command[0]=='-' && command[1]==0))) {	free(command);	command = NULL;    }    icon->command = command;    if (!icon->wm_class && !icon->wm_instance && icon->command	&& strlen(icon->command)>0) {	icon->forced_dock = 1;    }}