Index: src/libchengine/TSharedCountMT.h
===================================================================
diff -u -N -r0d5b67ee96b435d63f7bf075dc8e28603793b187 -r3921d82d9605d98b2281f3f42d9f9c8385b89a3e
--- src/libchengine/TSharedCountMT.h	(.../TSharedCountMT.h)	(revision 0d5b67ee96b435d63f7bf075dc8e28603793b187)
+++ src/libchengine/TSharedCountMT.h	(.../TSharedCountMT.h)	(revision 3921d82d9605d98b2281f3f42d9f9c8385b89a3e)
@@ -39,7 +39,7 @@
 		TSharedCountMT& operator=(const TSharedCountMT& rSrc) = delete;
 
 		// conversion from/to T
-		operator T() const
+		explicit operator T() const
 		{
 			return GetValue();
 		}