(php_set_session_var): logic fix:

gpc_globals set? Add it to the global symbol table
track_vars set? Add it to the HTTP_STATE_VARS array

ext/session/session.c

@@ -171,11 +171,11 @@ static void php_set_session_var(char *name, size_t namelen,
 		zend_set_hash_symbol(state_val_copy, name, namelen, 1, 2, PS(http_state_vars)->value.ht, &EG(symbol_table));
 	} else {
 		if (PG(gpc_globals)) {
-			zend_set_hash_symbol(state_val_copy, name, namelen, 0, 1, PS(http_state_vars)->value.ht);
+			zend_set_hash_symbol(state_val_copy, name, namelen, 0, 1, &EG(symbol_table));
 		}
 
 		if (PG(track_vars)) {
-			zend_set_hash_symbol(state_val_copy, name, namelen, 0, 1, &EG(symbol_table));
+			zend_set_hash_symbol(state_val_copy, name, namelen, 0, 1, PS(http_state_vars)->value.ht);
 		}
 	}
 }