More fixing MemoryBarrier() on Mingw32

Set requested windows header to Vista. See discussion: fbb2847#commitcomment-7054700
harfbuzz · Jul 19, 2014 · f26d59d · f26d59d
1 parent 00a57eb
commit f26d59d
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/hb-atomic-private.hh b/src/hb-atomic-private.hh
@@ -45,6 +45,9 @@
 #elif !defined(HB_NO_MT) && (defined(_WIN32) || defined(__CYGWIN__))
 
 #define WIN32_LEAN_AND_MEAN
+#ifndef _WIN32_WINNT
+#define _WIN32_WINNT 0x0600
+#endif
 #include <windows.h>
 
 /* MinGW has a convoluted history of supporting MemoryBarrier