[MPlayer-dev-eng] [PATCH] Silence some -Wundef warnings

[Erik Auerswald]

Hi,

the attached patch silences some -Wundef warnings by always creating the 
relevant #defines, even when not configuring for Windows:

libdvdcss/libdvdcss.c:123:5: warning: "HAVE_DIRECT_H" is not defined 
[-Wundef]
libdvdcss/libdvdcss.c:241:5: warning: "HAVE_DIRECT_H" is not defined 
[-Wundef]
libavformat/cache.c:36:5: warning: "HAVE_IO_H" is not defined [-Wundef]
libavformat/file.c:26:5: warning: "HAVE_IO_H" is not defined [-Wundef]
libavutil/file.c:28:5: warning: "HAVE_IO_H" is not defined [-Wundef]
libavutil/log.c:32:5: warning: "HAVE_IO_H" is not defined [-Wundef]

I have tested the patch on GNU/Linux, not on Windows, but it looks 
"obviously correct" to me. ;-)

Thanks,
Erik
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