[gtk+] printoperation-win32: Silence gcc

[Benjamin Otte <otte src gnome org>]

commit 0ea9131ff7bac876d5e1affcb1fadfdf0727127f
Author: Benjamin Otte <otte gnome org>
Date:   Sat Feb 6 04:24:23 2016 +0100

    printoperation-win32: Silence gcc

 gtk/gtkprintoperation-win32.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkprintoperation-win32.c b/gtk/gtkprintoperation-win32.c
index 28e2bda..1a4b14e 100644
--- a/gtk/gtkprintoperation-win32.c
+++ b/gtk/gtkprintoperation-win32.c
@@ -1350,7 +1350,7 @@ plug_grab_notify (GtkWidget        *widget,
 }
 
 
-static BOOL CALLBACK
+static INT_PTR CALLBACK
 pageDlgProc (HWND wnd, UINT message, WPARAM wparam, LPARAM lparam)
 {
   GtkPrintOperation *op;