fix strict-prototypes warning

diff --git a/quantum/process_keycode/process_unicode.h b/quantum/process_keycode/process_unicode.h
index 065eeb5f6a80c9d9e44051f2bd4dbba1952ec9f2..f17cfa6cf24078b73cd1a2ac371f67573b72ddbf 100644 (file)
--- a/quantum/process_keycode/process_unicode.h
+++ b/quantum/process_keycode/process_unicode.h
@@ -22,6 +22,7 @@ void register_hex(uint16_t hex);
 bool process_unicode(uint16_t keycode, keyrecord_t *record);
 
 #ifdef UNICODEMAP_ENABLE
+void unicode_map_input_error(void);
 bool process_unicode_map(uint16_t keycode, keyrecord_t *record);
 #endif