Fix PostgreSQL function name

Change-Id: Ic089540c07c7fe7c85705fc3513411a7e2571a12
Reviewed-on: https://gerrit.libreoffice.org/16698Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Stahl <mstahl@redhat.com>

connectivity/source/drivers/postgresql/pq_databasemetadata.cxx

@@ -384,7 +384,7 @@ OUString DatabaseMetaData::getStringFunctions(  ) throw (SQLException, RuntimeEx
         "convert_to,"
         "decode,"
         "encode,"
-        "foramt,"
+        "format,"
         "initcap,"
         "left,"
         "length,"