pg-migrator - src: Properly name loop variables.

Log Message:
-----------
Properly name loop variables.

Modified Files:
--------------
    src:
        exec.c (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/src/exec.c.diff?r1=1.8&r2=1.9)
        file.c (r1.9 -> r1.10)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/src/file.c.diff?r1=1.9&r2=1.10)
        info.c (r1.10 -> r1.11)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/src/info.c.diff?r1=1.10&r2=1.11)
        pg_migrator.c (r1.74 -> r1.75)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/src/pg_migrator.c.diff?r1=1.74&r2=1.75)
        relfilenode.c (r1.14 -> r1.15)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/src/relfilenode.c.diff?r1=1.14&r2=1.15)
        server.c (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/src/server.c.diff?r1=1.8&r2=1.9)
        version.c (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/src/version.c.diff?r1=1.4&r2=1.5)