Fix for systems with a non-GNU and less forgiving getopt.
Fix for systems with a non-GNU and less forgiving getopt.

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