Log Message:-----------Add missing library and include support for pg_upgrade to MSVC build system.
Modified Files:-------------- pgsql/src/tools/msvc: Mkvcbuild.pm (r1.54 -> r1.55) (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/Mkvcbuild.pm?r1=1.54&r2=1.55)
