Fix 64-bit Windows compilability

[xboard.git] / winboard / wchat.c

diff --git a/winboard/wchat.c b/winboard/wchat.c
index 97c060b..835f494 100644 (file)
--- a/winboard/wchat.c
+++ b/winboard/wchat.c
@@ -221,7 +221,7 @@ LRESULT CALLBACK ChatProc( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam
        SendMessage(hMemo, EM_SETEVENTMASK, 0, wMask | ENM_LINK);\r
        SendMessage(hMemo, EM_AUTOURLDETECT, TRUE, 0L);\r
        chatInputWindowProc = (WNDPROC) // cloned from ConsoleWndProc(). Assume they all share same proc.\r
-             SetWindowLong(GetDlgItem(hDlg, OPT_ChatInput), GWL_WNDPROC, (LONG) InterceptArrowKeys);\r
+             SetWindowLongPtr(GetDlgItem(hDlg, OPT_ChatInput), GWLP_WNDPROC, (LONG_PTR) InterceptArrowKeys);\r
         return FALSE;\r
 \r
     case WM_NOTIFY:\r