Log Message:
-----------
Make XML building work silently on VPATH builds (untested on regular builds).
Modified Files:
--------------
pgsql/doc/src/sgml:
Makefile (r1.105 -> r1.106)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/Makefile?r1=1.105&r2=1.106)