pgsql: Fix pgindent to properly handle 'else' and single-line comments

Log Message:
-----------
Fix pgindent to properly handle 'else' and single-line comments on the
same line;  previous fix was only partial.  Re-run pgindent on files
that need it.

Modified Files:
--------------
    pgsql/src/backend/access/transam:
        slru.c (r1.41 -> r1.42)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/slru.c?r1=1.41&r2=1.42)
    pgsql/src/backend/commands:
        trigger.c (r1.222 -> r1.223)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/trigger.c?r1=1.222&r2=1.223)
    pgsql/src/backend/rewrite:
        rewriteHandler.c (r1.174 -> r1.175)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/rewrite/rewriteHandler.c?r1=1.174&r2=1.175)
    pgsql/src/backend/utils/adt:
        tsvector_op.c (r1.7 -> r1.8)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/tsvector_op.c?r1=1.7&r2=1.8)
    pgsql/src/backend/utils/mb:
        conv.c (r1.63 -> r1.64)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/mb/conv.c?r1=1.63&r2=1.64)
    pgsql/src/bin/psql:
        mbprint.c (r1.26 -> r1.27)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/mbprint.c?r1=1.26&r2=1.27)
    pgsql/src/tools/pgindent:
        pgindent (r1.93 -> r1.94)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/pgindent/pgindent?r1=1.93&r2=1.94)