configure (cosmetic): Adjust indent and add blank lines.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36885 b3059339-0415-0410-9bf9-f77b7e298cf2
configure: Rearrange two lines.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36886 b3059339-0415-0410-9bf9-f77b7e298cf2
configure: Prettify code for PNG_DECODER test.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36887 b3059339-0415-0410-9bf9-f77b7e298cf2
configure: Revise comments in GUI specific tests.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36888 b3059339-0415-0410-9bf9-f77b7e298cf2
configure: Remove unnecessary includes in XShape check.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36889 b3059339-0415-0410-9bf9-f77b7e298cf2
configure: Make the XShape extension optional.

The GUI compiles and runs without it.

Although some skins will look ugly,
there are skins that not even require the extension.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36890 b3059339-0415-0410-9bf9-f77b7e298cf2
hwac3: Remove unused code.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36891 b3059339-0415-0410-9bf9-f77b7e298cf2
aac_hdr: remove variable to fix warning, add const.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36892 b3059339-0415-0410-9bf9-f77b7e298cf2
asfheader: remove unused variables.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36893 b3059339-0415-0410-9bf9-f77b7e298cf2
demux_real: initialize variables and remove unused one.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36894 b3059339-0415-0410-9bf9-f77b7e298cf2
yuv4mpeg: remove unused variable.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36895 b3059339-0415-0410-9bf9-f77b7e298cf2
demuxers: ensure that stream ids are correctly initialized.

This should fix missing video after r36778 and potentially
other issues in relation with video stream switching.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36896 b3059339-0415-0410-9bf9-f77b7e298cf2