reduces rgblight warnings, integrates completely (#428)

keyboard/satan/led.c

@@ -20,7 +20,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "led.h"
 
 
-void led_init_ports() {
+void led_init_ports(void) {
     // * Set our LED pins as output
     DDRB |= (1<<2);
 }

keyboard/satan/satan.h

@@ -4,7 +4,7 @@
 #include "matrix.h"
 #include "keymap.h"
 #include <stddef.h>
-
+#include "action_util.h"
 
 /* Clueboard matrix layout
    * ,-----------------------------------------------------------.