gdiplus: Stub GdipGetEncoderParameterListSize.
diff --git a/dlls/gdiplus/gdiplus.spec b/dlls/gdiplus/gdiplus.spec
index e48a70a..bf0de64 100644
--- a/dlls/gdiplus/gdiplus.spec
+++ b/dlls/gdiplus/gdiplus.spec
@@ -262,7 +262,7 @@
 @ stub GdipGetEffectParameters
 @ stdcall GdipGetEmHeight(ptr long ptr)
 @ stub GdipGetEncoderParameterList
-@ stub GdipGetEncoderParameterListSize
+@ stdcall GdipGetEncoderParameterListSize(ptr ptr ptr)
 @ stdcall GdipGetFamily(ptr ptr)
 @ stdcall GdipGetFamilyName(ptr ptr long)
 @ stdcall GdipGetFontCollectionFamilyCount(ptr ptr)
diff --git a/dlls/gdiplus/image.c b/dlls/gdiplus/image.c
index 8b55115..46f6056 100644
--- a/dlls/gdiplus/image.c
+++ b/dlls/gdiplus/image.c
@@ -3297,6 +3297,21 @@
     return Ok;
 }
 
+GpStatus WINGDIPAPI GdipGetEncoderParameterListSize(GpImage *image,
+    GDIPCONST CLSID* clsidEncoder, UINT *size)
+{
+    static int calls;
+
+    TRACE("(%p,%s,%p)\n", image, debugstr_guid(clsidEncoder), size);
+
+    if(!(calls++))
+        FIXME("not implemented\n");
+
+    *size = 0;
+
+    return NotImplemented;
+}
+
 /*****************************************************************************
  * GdipCreateBitmapFromHBITMAP [GDIPLUS.@]
  */