The default return value from include() and eval() changed from 1 to 0

unintentionally after the old return-reference patches - fixed

Zend/zend-scanner.l

@@ -369,7 +369,12 @@ ZEND_API zend_op_array *v_compile_files(int mark_as_ref CLS_DC, int file_count,
 
 	if (retval) {
 		if (compiled_files>0) {
-			do_return(NULL, 0 CLS_CC);
+			znode retval_znode;
+
+			retval_znode.op_type = IS_CONST;
+			retval_znode.u.constant.type = IS_LONG;
+			retval_znode.u.constant.value.lval = 1;
+			do_return(&retval_znode, 0 CLS_CC);
 			CG(active_op_array) = original_active_op_array;
 			pass_two(op_array);
 			if (mark_as_ref) {