Fix warning in frenchdev

diff --git a/keyboards/frenchdev/keymaps/default/keymap.c b/keyboards/frenchdev/keymaps/default/keymap.c
index e0a05cb3c61d40661d2b4190469cc47ea53d6acf..035e0179d39c3dc3f394617caa5bafef257e68cb 100644 (file)
--- a/keyboards/frenchdev/keymaps/default/keymap.c
+++ b/keyboards/frenchdev/keymaps/default/keymap.c
@@ -212,8 +212,8 @@ void press_enter(void) {
 
 void press_underscore(void) {
   if(shift_count > 0) unregister_code (KC_LSHIFT);
-  register_code (BP_UNDS);
-  unregister_code (BP_UNDS);
+  register_code ((unsigned char) BP_UNDS);
+  unregister_code ((unsigned char) BP_UNDS);
   if(shift_count > 0) register_code (KC_LSHIFT);
 }