Added check for big-endian systems.
Added check for big-endian systems.

pauloppenheim-liveloop/librsync,yrgoldteeth/librsync,librsync/librsync,Salamek/librsync,dbaarda/librsync,binondord/librsync,Salamek/librsync,yrgoldteeth/librsync,pauloppenheim-liveloop/librsync-winbuild,VictorDenisov/librsync,agrandville/librsync,dbaarda/librsync,Salamek/librsync,librsync/librsync,dbaarda/librsync,VictorDenisov/librsync,librsync/librsync,potatogim/librsync,sourcefrog/librsync,VictorDenisov/librsync,agrandville/librsync,yrgoldteeth/librsync,pauloppenheim-liveloop/librsync,sourcefrog/librsync,pauloppenheim-liveloop/librsync-winbuild,dbaarda/librsync,pauloppenheim-liveloop/librsync,librsync/librsync,potatogim/librsync,yrgoldteeth/librsync,sourcefrog/librsync,binondord/librsync,potatogim/librsync,VictorDenisov/librsync,agrandville/librsync,sourcefrog/librsync,binondord/librsync,pauloppenheim-liveloop/librsync-winbuild