Log Message:
-----------
Add backslashes to parentheses in awk regex because if not, they are
treated as regex groups.
Modified Files:
--------------
pgsql/src/tools/pgindent:
pgindent (r1.75 -> r1.76)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/pgindent/pgindent.diff?r1=1.75&r2=1.76)