WebPPictureImportRGB() can fail on memory allocation. In this case,
jpeg_destroy_decompress() was already called, so do not go to Error.
Free metadata as an error is returned.
Change-Id: I045b072090e9063d3ad10369ad18b0f08bdffe9f
replace with more inclusive terms or remove the comment entirely if the
meaning was already clear.
Bug: webp:507
Change-Id: Ica3bbf751ebf79f6668df6e6209af770248ff4ca
everything post jpeg decoder creation should go through the error path
to ensure it's cleaned up properly
Change-Id: If78b4529e40797c67c3d0e624af1c036badea674