Log Message:
-----------
Minor tweak to pg_controldata usage information, per suggestion from
Dennis Bjrklund. Also, remove some redundant #include directives.
Modified Files:
--------------
pgsql-server/src/bin/pg_controldata:
pg_controldata.c (r1.19 -> r1.20)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_controldata/pg_controldata.c.diff?r1=1.19&r2=1.20)