gdiplus: Add GdipIsVisibleRegionPointI stub.

dlls/gdiplus/gdiplus.spec

@@ -432,7 +432,7 @@
 @ stub GdipIsVisibleRect
 @ stub GdipIsVisibleRectI
 @ stub GdipIsVisibleRegionPoint
-@ stub GdipIsVisibleRegionPointI
+@ stdcall GdipIsVisibleRegionPointI(ptr long long ptr ptr)
 @ stub GdipIsVisibleRegionRect
 @ stub GdipIsVisibleRegionRectI
 @ stdcall GdipLoadImageFromFile(wstr ptr)

dlls/gdiplus/graphics.c

@@ -3878,3 +3878,12 @@ GpStatus WINGDIPAPI GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16
     FIXME("(%p %p %d %p %p %p %d %p): stub\n", graphics, text, length, font, brush, positions, flags, matrix);
     return NotImplemented;
 }
+
+/*****************************************************************************
+ * GdipIsVisibleRegionPointI [GDIPLUS.@]
+ */
+GpStatus WINGDIPAPI GdipIsVisibleRegionPointI(GpRegion *region, INT x, INT y, GpGraphics *graphics, BOOL *result)
+{
+    FIXME("(%p %d %d %p %p): stub\n", region, x, y, graphics, result);
+    return NotImplemented;
+}