prevent Windows redefinition warning cause by compat.h

Philip Kaufmann · Philip Kaufmann · commit 00788416176a · 2013-11-27T21:28:31.000+01:00
diff --git a/src/compat.h b/src/compat.h
@@ -11,7 +11,9 @@
 #undef _WIN32_WINNT
 #endif
 #define _WIN32_WINNT 0x0501
+#ifndef WIN32_LEAN_AND_MEAN
 #define WIN32_LEAN_AND_MEAN 1
+#endif
 #ifndef NOMINMAX
 #define NOMINMAX
 #endif
