Thread: pgsql: Prevent pg_resetxlog from being run as root.

Log Message:
-----------
Prevent pg_resetxlog from being run as root. If this is allowed, some
root-owned files will be written to the data directory, leaving it in an
unusable state.

Modified Files:
--------------
    pgsql/src/bin/pg_resetxlog:
        pg_resetxlog.c (r1.25 -> r1.26)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_resetxlog/pg_resetxlog.c.diff?r1=1.25&r2=1.26)