1 files changed, 1 insertions, 0 deletions
diff --git a/grep.h b/grep.h
index 3f75e3a3d4..f00db0e402 100644
--- a/grep.h
+++ b/grep.h
@@ -87,6 +87,7 @@ struct grep_opt {
 	unsigned post_context;
 	unsigned last_shown;
 	int show_hunk_mark;
+	void *priv;
 };
 
 extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);