updtate revstamp.h
diff --git a/mingw-w64-crt/revstamp.h b/mingw-w64-crt/revstamp.h
index 0f5f9f1..7588afc 100644
--- a/mingw-w64-crt/revstamp.h
+++ b/mingw-w64-crt/revstamp.h
@@ -1,4 +1,3 @@
-/* Do not edit. Autogenerated.  */
-#define __MINGW_W64_REV	"0"
-#define __MINGW_W64_REV_STAMP "0000-00-00"
-
+/* Do not edit. Autogenerated. */
+#define __MINGW_W64_REV "d5b6d88"
+#define __MINGW_W64_REV_STAMP "2015-03-20"