Use #ifndef is wrong.

intorr · Xottab-DUTY · commit 943209f5caca · 2017-12-19T23:35:13.000+05:00
diff --git a/src/xrCore/memory_allocation_stats.cpp b/src/xrCore/memory_allocation_stats.cpp
@@ -1,6 +1,6 @@
 #include "stdafx.h"
 
-#ifndef DEBUG_MEMORY_MANAGER
+#ifdef DEBUG_MEMORY_MANAGER
 #include <malloc.h> // _alloca
 
 namespace
