gstgoodecjpeg: Clean-up on variable names.
gstgoodecjpeg: Clean-up on variable names.

In gst_goo_decjpeg_dispose, rename 'me' to 'self';
also, remove a redundant return.

Signed-off-by: Daniel Diaz <ed054987dd20aebbd314fbb0d175066628f13717@ti.com>

mrchapp/gst-goo,mrchapp/gst-goo