I upgraded from 4.1 to 4.2 with X and upgraded gnash. Now when I go to
certain sites using Firefox I get the following in STDOUT -

/usr/local/bin/gnash: can't load library 'libavcodec.so.8.0'
/usr/local/bin/gnash: can't load library '/usr/local/lib/libcurl.so.5.0'
Child process exited with status 1024

Starting process: /usr/local/bin/gnash -v -x 8427142 -j 100 -k 100 -u
https://google.com/im/sound.swf -U https://google.com/?shva=1 -P
id=flash_object -P
pluginspage=http://www.macromedia.com/go/getflashplayer -P
quality=high -P src=im/sound.swf -P style=position: absolute; top:
0px; left: 0px; height: 100px; width: 100px; -P
type=application/x-shockwave-flash

Could anyone shed some light on this and how to resolve this issue?

Thanks for any help.