pgsql: Properly capitalize the TimeZone parameter

Properly capitalize the TimeZone parameter

For better or worse, it is implemented in mixed case, so document it
as such, at least in the main listing, like DateStyle.

Josh Kupershmidt

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/586d356bc5af1aa61f965f6ba1cbeb1533ec8c99

Modified Files
--------------
doc/src/sgml/config.sgml |    6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)