- Fix type in GetRandomRegion function.
- Add prototype to header.

diff --git a/include/wingdi.h b/include/wingdi.h
index 87f07d7..caa5fbb 100644
--- a/include/wingdi.h
+++ b/include/wingdi.h
@@ -3412,6 +3412,7 @@
 COLORREF  WINAPI GetPixel(HDC,INT,INT);
 INT       WINAPI GetPixelFormat(HDC);
 INT       WINAPI GetPolyFillMode(HDC);
+INT       WINAPI GetRandomRgn(HDC,HRGN,INT);
 BOOL      WINAPI GetRasterizerCaps(LPRASTERIZER_STATUS,UINT);
 DWORD     WINAPI GetRegionData(HRGN,DWORD,LPRGNDATA);
 INT       WINAPI GetRelAbs(HDC,DWORD);