Log Message:-----------Fix typos.
Hashem Masoud
Modified Files:-------------- pgsql/doc: FAQ_DEV (r1.87 -> r1.88) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ_DEV.diff?r1=1.87&r2=1.88) pgsql/doc/src/FAQ: FAQ_DEV.html (r1.90 -> r1.91) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ_DEV.html.diff?r1=1.90&r2=1.91)