match-trees: compute buffer offset correctly when splicing

diff --git a/run-command.h b/run-command.h
index 9b7f38202c8b49a9f5168a1e3f1073f6ec6ca2cd..68f5369fc2d432e8b4b504e9625b541056814216 100644 (file)
--- a/run-command.h
+++ b/run-command.h
@@ -141,6 +141,7 @@ struct async {
 int start_async(struct async *async);
 int finish_async(struct async *async);
 int in_async(void);
+int async_with_fork(void);
 void check_pipe(int err);
 
 /**