Merge branch 'PHP-5.5'

* PHP-5.5:
  Fix bug #62129 - rfc1867 crashes php even though turned off

Author: arraypad

ext/session/session.c

@@ -2294,8 +2294,11 @@ static PHP_MSHUTDOWN_FUNCTION(session) /* {{{ */
 	PHP_MSHUTDOWN(ps_mm) (SHUTDOWN_FUNC_ARGS_PASSTHRU);
 #endif
 
-	/* restore the orig callback */
-	php_rfc1867_callback = php_session_rfc1867_orig_callback;
+	/* reset rfc1867 callbacks */
+	php_session_rfc1867_orig_callback = NULL;
+	if (php_rfc1867_callback == php_session_rfc1867_callback) {
+		php_rfc1867_callback = NULL;
+	}
 
 	ps_serializers[PREDEFINED_SERIALIZERS].name = NULL;
 	memset(&ps_modules[PREDEFINED_MODULES], 0, (MAX_MODULES-PREDEFINED_MODULES)*sizeof(ps_module *));