Split the lavfi pixfmts tests in _le and _be, this is required as the

test results and references depend on machine endianess.

Originally committed as revision 24641 to svn://svn.ffmpeg.org/ffmpeg/trunk

tests/lavfi-regression.sh

@@ -65,7 +65,7 @@ scale=200:100
 vflip
 "
 
-if [ -n "$do_pixfmts" ]; then
+if [ -n "$do_pixfmts_be" ] || [ -n "$do_pixfmts_le" ]; then
     # exclude pixel formats which are not supported as input
     excluded_pix_fmts="$(ffmpeg -pix_fmts list 2>/dev/null | sed -ne '9,$p' | grep '^\..\.' | cut -d' ' -f2)"