Extend resource reservation to Fibers

Author: krakjoe

Zend/zend_fibers.h

@@ -117,6 +117,9 @@ struct _zend_fiber {
 
 	/* Storage for fiber return value. */
 	zval result;
+
+	/* Reserved for extensions */
+	void *reserved[ZEND_MAX_RESERVED_RESOURCES];
 };
 
 /* These functions may be used to create custom fiber objects using the bundled fiber switching context. */