grep: enable recurse-submodules to work on <tree> objects

diff --git a/t/helper/test-line-buffer.c b/t/helper/test-line-buffer.c
index 1e58f0476f3465f9b8b361cc4776abf5c051430b..81575fe2ab91b550067ce8180650b003bdd939b7 100644 (file)
--- a/t/helper/test-line-buffer.c
+++ b/t/helper/test-line-buffer.c
@@ -50,7 +50,7 @@ static void handle_line(const char *line, struct line_buffer *stdin_buf)
        handle_command(line, arg + 1, stdin_buf);
 }
 
-int main(int argc, char *argv[])
+int cmd_main(int argc, const char **argv)
 {
        struct line_buffer stdin_buf = LINE_BUFFER_INIT;
        struct line_buffer file_buf = LINE_BUFFER_INIT;