fixes abhixec's planck keymap

keyboards/planck/keymaps/abhixec/keymap.c

@@ -164,7 +164,7 @@ uint16_t muse_counter = 0;
 uint8_t muse_offset = 70;
 uint16_t muse_tempo = 50;
 
-bool encoder_update(bool clockwise) {
+bool encoder_update_user(uint8_t index, bool clockwise) {
   if (muse_mode) {
     if (IS_LAYER_ON(_RAISE)) {
       if (clockwise) {