#879763
#879763

Problem: mdfour operations failed on pa-risc and gave warnings on ia64
because of unaligned access.

Fix: On non-i386 little-endian machines, copy mdfour input data into
a uint32 aligned buffer before processing.

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