Log Message:
-----------
Document use of VPATH builds.
David Fetter
Modified Files:
--------------
pgsql/doc/src/sgml:
installation.sgml (r1.344 -> r1.345)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/installation.sgml?r1=1.344&r2=1.345)