gdiplus: Fix cleanup after errors in GdipCloneImage.
diff --git a/dlls/gdiplus/image.c b/dlls/gdiplus/image.c
index 22895c7..73a6bd6 100644
--- a/dlls/gdiplus/image.c
+++ b/dlls/gdiplus/image.c
@@ -746,12 +746,14 @@
                 GdipBitmapUnlockBits((GpBitmap*)*cloneImage, &lockeddata_dst);
             }
 
-            GdipBitmapUnlockBits(bitmap, &lockeddata_src);
+            if (stat != Ok)
+                GdipDisposeImage(*cloneImage);
         }
 
+        GdipBitmapUnlockBits(bitmap, &lockeddata_src);
+
         if (stat != Ok)
         {
-            GdipDisposeImage(*cloneImage);
             *cloneImage = NULL;
         }
         else memcpy(&(*cloneImage)->format, &image->format, sizeof(GUID));