From 6b325f68ff2b6b75fa67cc14f1e8cbbf588f7d4a Mon Sep 17 00:00:00 2001
From: ooxi <violetland@mail.ru>
Date: Sun, 9 May 2021 11:46:44 +0200
Subject: [PATCH] Fix defaults.h include guard

While `defaults.h' checked for a `defaults_h' define to be present, it does not declare such a define. Thus it's easy to mess up including the file twice.
---
 grbl/defaults.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/grbl/defaults.h b/grbl/defaults.h
index 2e461300..8686bde3 100644
--- a/grbl/defaults.h
+++ b/grbl/defaults.h
@@ -26,6 +26,7 @@
    NOTE: Ensure one and only one of these DEFAULTS_XXX values is defined in config.h */
 
 #ifndef defaults_h
+#define defaults_h
 
 #ifdef DEFAULTS_GENERIC
   // Grbl generic default settings. Should work across different machines.