[Bf-blender-cvs] [645a54107cb] functions: add missing include

[Jacques Lucke]

Commit: 645a54107cb202fcebc37b602815ca64cd66dc4c
Author: Jacques Lucke
Date:   Mon Aug 26 15:37:16 2019 +0200
Branches: functions
https://developer.blender.org/rB645a54107cb202fcebc37b602815ca64cd66dc4c

add missing include

===================================================================

M	source/blender/blenlib/BLI_open_addressing.hpp

===================================================================

diff --git a/source/blender/blenlib/BLI_open_addressing.hpp b/source/blender/blenlib/BLI_open_addressing.hpp
index 5085b54c369..e65f303bf96 100644
--- a/source/blender/blenlib/BLI_open_addressing.hpp
+++ b/source/blender/blenlib/BLI_open_addressing.hpp
@@ -30,6 +30,8 @@
 
 #pragma once
 
+#include <cmath>
+
 #include "BLI_utildefines.h"
 #include "BLI_memory.hpp"
 #include "BLI_math_base.h"