KO Myung-Hun authored Aug 24, 2012 and Jean-Baptiste Kempf committed Aug 26, 2012

This fixes the following error.

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make.exe[1]: Entering directory `F:/lang/work/vlc/vlc.git/modules/demux/mkv'
  CXX    libmkv_plugin_la-virtual_segment.lo
In file included from ../../../include/vlc_common.h:938,
                 from mkv.hpp:45,
                 from demux.hpp:28,
                 from virtual_segment.cpp:27:
../../../include/vlc_configuration.h:104: error: 'ssize_t' does not name a type
../../../include/vlc_configuration.h:106: error: 'ssize_t' does not name a type
In file included from mkv.hpp:53,
                 from demux.hpp:28,
                 from virtual_segment.cpp:27:
../../../include/vlc_charset.h:153: warning: 'warn_unused_result' attribute ignored
make.exe[1]: *** [libmkv_plugin_la-virtual_segment.lo] Error 1
make.exe[1]: Leaving directory `F:/lang/work/vlc/vlc.git/modules/demux/mkv'
make.exe: *** [all] Error 2
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Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>