queue2: Post errors if we receive EOS after downstream reported an error
queue2: Post errors if we receive EOS after downstream reported an error

There will be no further data flow that would allow us to propagate the
error upstream, causing nobody at all to post an error message.

shelsonjava/gstreamer,shelsonjava/gstreamer,mparis/gstreamer,mparis/gstreamer,krichter722/gstreamer,mparis/gstreamer,centricular/gstreamer,mparis/gstreamer,shelsonjava/gstreamer,krichter722/gstreamer,centricular/gstreamer,jpxiong/gstreamer,jpxiong/gstreamer,shelsonjava/gstreamer,krichter722/gstreamer,krichter722/gstreamer,centricular/gstreamer,StreamUtils/gstreamer,jpxiong/gstreamer,StreamUtils/gstreamer,jpxiong/gstreamer,StreamUtils/gstreamer,centricular/gstreamer,shelsonjava/gstreamer,centricular/gstreamer,StreamUtils/gstreamer,mparis/gstreamer,StreamUtils/gstreamer,krichter722/gstreamer,jpxiong/gstreamer