Set dynamic to false for all devices given separate args...

main.c

@@ -1404,6 +1404,7 @@ static char *set_intensity(char *arg)
 		if (!strncasecmp(nextptr, "d", 1))
 			gpus[device].dynamic = true;
 		else {
+			gpus[device].dynamic = false;
 			val = atoi(nextptr);
 			if (val < -10 || val > 10)
 				return "Invalid value passed to set intensity";