fix build for x64 Signed-off-by: Sven Strickroth <email@cs-ware.de>
diff --git a/include/git2/common.h b/include/git2/common.h
index a004be9..ef279ea 100644
--- a/include/git2/common.h
+++ b/include/git2/common.h
@@ -64,7 +64,7 @@
# define GIT_FORMAT_PRINTF(a,b) /* empty */
#endif
-#if defined(_WIN32) && !defined(__CYGWIN__)
+#if (defined(_WIN32) || defined(_WIN64)) && !defined(__CYGWIN__)
#define GIT_WIN32 1
#endif