configure: fix build before it breaks, add config_audiodsp

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@37227 b3059339-0415-0410-9bf9-f77b7e298cf2
configure: avoid build failure with mpeg_er

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@37228 b3059339-0415-0410-9bf9-f77b7e298cf2
configure: add CONFIG_BSWAPDSP to avoid build breakage

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@37229 b3059339-0415-0410-9bf9-f77b7e298cf2