UNIXWARE port patches.

The following patches will allow postgreSQL 6.3 to compile and run on a 
UNIXWARE 2.1.2 system with the native C compiler with the following library 
change:

	The alloca function must be copied from the libucb.a archive and added
	to the libgen.a archive.

Also, the GNU flex program is needed to successfully build postgreSQL.

The patches are UUENCODED because the first two patches remove carriage 
returns (^M) that made their way into the source files and I want to ensure 
they survive the various mailers.