libaf/af_format_ulaw.c --> libaf/af_format_ulaw.h.
Both files are not compiled but used as standard headers, so there
is no reason for them not be named like any other header file.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28273 b3059339-0415-0410-9bf9-f77b7e298cf2
