Fix dk60 compiler issue on newer compiler versions (#5444)

diff --git a/keyboards/dk60/dk60.c b/keyboards/dk60/dk60.c
index 93aeb33b4a3caeb81f2aca0aa7b0bbc2debb7c48..8b9dc547d4ea8e35ed9cf9e3635373db4f4c9461 100644 (file)
--- a/keyboards/dk60/dk60.c
+++ b/keyboards/dk60/dk60.c
@@ -1,5 +1,15 @@
 #include "dk60.h"
 
+extern inline void dk60_caps_led_on(void);
+extern inline void dk60_esc_led_on(void);
+
+extern inline void dk60_caps_led_off(void);
+extern inline void dk60_esc_led_off(void);
+
+extern inline void dk60_led_all_on(void);
+extern inline void dk60_led_all_off(void);
+
+
 void dk60_blink_all_leds(void)
 {
     dk60_led_all_off();