gdiplus: Add a stub for GdipSetMetafileDownLevelRasterizationLimit.

dlls/gdiplus/graphics.c

diff --git a/dlls/gdiplus/graphics.c b/dlls/gdiplus/graphics.c
index 3fcdfc6..7356234 100644
--- a/dlls/gdiplus/graphics.c
+++ b/dlls/gdiplus/graphics.c
@@ -2111,3 +2111,14 @@
 
     return NotImplemented;
 }
+
+GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpGraphics *graphics,
+    UINT limitDpi)
+{
+    static int calls;
+
+    if(!(calls++))
+        FIXME("not implemented\n");
+
+    return NotImplemented;
+}