From 2e264711c7a5d7bf6c19c0b4eb1ce4e1fa948eeb Mon Sep 17 00:00:00 2001
From: Stuart Baker <stuart_w_baker@ymail.com>
Date: Sun, 14 May 2023 11:44:41 -0500
Subject: [PATCH] Add missing include guards.

---
 src/utils/Ewma.hxx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/utils/Ewma.hxx b/src/utils/Ewma.hxx
index facb3b4b6..42e796ccd 100644
--- a/src/utils/Ewma.hxx
+++ b/src/utils/Ewma.hxx
@@ -32,6 +32,9 @@
  * @date 2 May 2015
  */
 
+#ifndef _UTILS_EWMA_HXX_
+#define _UTILS_EWMA_HXX_
+
 #include <time.h>
 #include <stdint.h>
 
@@ -178,3 +181,5 @@ public:
     float alpha_;    ///< coefficient for EWMA
     float avg_{0.0}; ///< current state of EWMA
 };
+
+#endif // _UTILS_EWMA_HXX_