pg_connect() may return rcn

Without CONNECT_FORCE_NEW, pg_connect() may resuse an existing
connection and refcount may be larger than one.

Author: nikic

ext/opcache/Optimizer/zend_func_info.c

@@ -686,7 +686,7 @@ static const func_info_t func_infos[] = {
 	F1("session_encode",						MAY_BE_FALSE | MAY_BE_STRING),
 
 	/* ext/pgsql */
-	F1("pg_connect",							MAY_BE_FALSE | MAY_BE_RESOURCE),
+	FN("pg_connect",							MAY_BE_FALSE | MAY_BE_RESOURCE),
 	FN("pg_pconnect",							MAY_BE_FALSE | MAY_BE_RESOURCE),
 	F1("pg_dbname",								MAY_BE_STRING),
 	F1("pg_last_error",							MAY_BE_STRING),