1 files changed, 5 insertions, 0 deletions

diff --git a/failsafe.h b/failsafe.h
index f6b0d0d..c7c2e11 100644
--- a/failsafe.h
+++ b/failsafe.h
@@ -1 +1,6 @@
+#ifndef HAVE_FAILSAFE_H
+#define HAVE_FAILSAFE_H
+
 void failsafe();
+
+#endif