gui: include semphr.h

jgriffiths · jgriffiths · commit 6de067ff0598 · 2025-10-10T11:53:09.000+13:00
diff --git a/main/gui.c b/main/gui.c
@@ -4,6 +4,7 @@
 
 #include <freertos/FreeRTOS.h>
 #include <freertos/ringbuf.h>
+#include <freertos/semphr.h>
 #include <freertos/task.h>
 
 #include "display.h"
