[FFmpeg-user] libavfilter install errors

[Elliott Balsley]

> Those are not errors but warnings caused by useless renames and are introduced
> by Libav fork.
> 
> You should not worry about them.

Just to be clear, I'm not talking about all the deprecated remarks, but the errors such as this:

make: [libavcodec/x86/h264_intrapred.o] Error 1 (ignored)
YASM    libavcodec/x86/h264_intrapred_10bit.o
STRIP   libavcodec/x86/h264_intrapred_10bit.o
strip: unrecognized option: -wN
Usage: strip [-AnuSXx] [-] [-d filename] [-s filename] [-R filename] [-o output] file [...]