pgsql: Fix a couple other places that need to know about (some)

Log Message:
-----------
Fix a couple other places that need to know about (some) src/port/ files
explicitly.

Modified Files:
--------------
    pgsql/src/interfaces/ecpg/ecpglib:
        Makefile (r1.43 -> r1.44)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/Makefile.diff?r1=1.43&r2=1.44)
    pgsql/src/tools/msvc:
        mkvcbuild.pl (r1.2 -> r1.3)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/mkvcbuild.pl.diff?r1=1.2&r2=1.3)