Log Message:-----------skip manpage build if tools not availalbe
Modified Files:-------------- pgbouncer/doc: Makefile (r1.8 -> r1.9) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbouncer/pgbouncer/doc/Makefile.diff?r1=1.8&r2=1.9)
