Fix: Use action_t in keymap files

converter/ps2_usb/keymap_spacefn.c

@@ -54,7 +54,7 @@ const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
     ),
 };
 
-const uint16_t PROGMEM fn_actions[] = {
+const action_t PROGMEM fn_actions[] = {
     [0] = ACTION_LAYER_TAP_KEY(1, KC_SPACE),
     [1] = ACTION_MODS_KEY(MOD_LSFT, KC_GRV),    // tilde
 };