Index: src/chext/chext.cpp
===================================================================
diff -u -N -r6609ba39811176f4803f0556db3da30e9e457b9d -r3732b8ed8b65619c1000598c843c2c627186427c
--- src/chext/chext.cpp	(.../chext.cpp)	(revision 6609ba39811176f4803f0556db3da30e9e457b9d)
+++ src/chext/chext.cpp	(.../chext.cpp)	(revision 3732b8ed8b65619c1000598c843c2c627186427c)
@@ -25,7 +25,8 @@
 #include "../common/TRegistry.h"
 #include "DllRegistration.h"
 
-LONG g_DllRefCount = 0; // Reference count of this DLL.
+std::atomic<long> g_DllRefCount = 0;
+
 extern HINSTANCE g_hInstance;
 
 namespace