Fixed last commit on 5.4

There's no change from the intended behavior. If INTL_G(default_locale)
is NULL, the default ICU locale, as given by locale_get_default() in
master, will still be used by ures_open().

ext/intl/resourcebundle/resourcebundle_class.c

@@ -103,7 +103,7 @@ static void resourcebundle_ctor(INTERNAL_FUNCTION_PARAMETERS)
 	INTL_CHECK_LOCALE_LEN_OBJ(locale_len, return_value);
 
 	if (locale == NULL) {
-		locale = intl_locale_get_default(TSRMLS_C);
+		locale = INTL_G(default_locale);
 	}
 
 	if (fallback) {