Fast elimination of the segmentation-fault on exit after restoring mo…

…dified internal functions (5.2.6 x86_64). As the crash occured when the PHP have executed the global-functions table destructor for each function again, the destructor pointer nulling cures the problem.

runkit_functions.c

@@ -266,6 +266,7 @@ int php_runkit_restore_internal_functions(zend_internal_function *fe, int num_ar
 	zend_hash_update(EG(function_table), hash_key->arKey, hash_key->nKeyLength, (void*)fe, sizeof(zend_function), NULL);
 #endif
 
+    EG(function_table)->pDestructor = NULL;
 	return ZEND_HASH_APPLY_REMOVE;
 }
 /* }}} */