bisect.c: remove the_repository reference

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

bisect.h

@@ -2,6 +2,7 @@
 #define BISECT_H
 
 struct commit_list;
+struct repository;
 
 /*
  * Find bisection. If something is found, `reaches` will be the number of
@@ -30,7 +31,9 @@ struct rev_list_info {
 	const char *header_prefix;
 };
 
-extern int bisect_next_all(const char *prefix, int no_checkout);
+extern int bisect_next_all(struct repository *r,
+			   const char *prefix,
+			   int no_checkout);
 
 extern int estimate_bisect_steps(int all);