It does not make any sense to have a PGSQL_BOTH as a default for pg_fetch_object()

Noticed by c@cornelia-boenigk.de

ext/pgsql/pgsql.c

@@ -1347,7 +1347,7 @@ PHP_FUNCTION(pg_fetch_array)
    Fetch a row as an object */
 PHP_FUNCTION(pg_fetch_object)
 {
-	php_pgsql_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
+	php_pgsql_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, PGSQL_ASSOC);
 	if (Z_TYPE_P(return_value)==IS_ARRAY) {
 		object_and_properties_init(return_value, ZEND_STANDARD_CLASS_DEF_PTR, Z_ARRVAL_P(return_value));
 	}