Log Message:
Update to 1.49.  Changes:
31-Aug-2009
	diffstat 1.49

	improve lzma support, add support for xz (patch by Eric Blake).

	add special case for no-newline message from some diff's (Ubuntu
	#269895).

	improve configure check for getopt header.

	add configure special case for HPUX 11 with _XOPEN_SOURCE definition.

	update config.guess, config.sub