Log Message:
-----------
Improve script by processing only C files.
Modified Files:
--------------
pgsql/src/tools/pginclude:
pgfixinclude (r1.5 -> r1.6)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/pginclude/pgfixinclude.diff?r1=1.5&r2=1.6)