Fix 32-bit Windows build using mingw-w64 toolchain

diff --git a/gtk/gtkprintoperation-win32.c b/gtk/gtkprintoperation-win32.c
index ccb3cd929b9994c7440bafae5c3677f78b9486f5..3b04ca49b87e4bc1f76d31f3cdee5ee88c4344a4 100644 (file)
--- a/gtk/gtkprintoperation-win32.c
+++ b/gtk/gtkprintoperation-win32.c
@@ -71,7 +71,7 @@ static void win32_poll_status (GtkPrintOperation *op);
 
 static const GUID myIID_IPrintDialogCallback  = {0x5852a2c3,0x6530,0x11d1,{0xb6,0xa3,0x0,0x0,0xf8,0x75,0x7b,0xf9}};
 
-#if !defined (_MSC_VER) && !defined (MINGW64) && !defined (__MINGW64__)
+#if !defined (_MSC_VER) && !defined (__MINGW64_VERSION_MAJOR)
 #undef INTERFACE
 #define INTERFACE IPrintDialogCallback
 DECLARE_INTERFACE_ (IPrintDialogCallback, IUnknown)