t/perf: depend on perl JSON only when using --codespeed

diff --git a/diff.h b/diff.h
index 3199ba31f8d697d0a73f64cde12433d8f1244181..c9db9825bb782fda45f463c3f51600fb3756b7c1 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -370,7 +370,7 @@ int git_config_rename(const char *var, const char *value);
 #define DIFF_PICKAXE_IGNORE_CASE       32
 
 void diffcore_std(struct diff_options *);
-void diffcore_fix_diff_index(struct diff_options *);
+void diffcore_fix_diff_index(void);
 
 #define COMMON_DIFF_OPTIONS_HELP \
 "\ncommon diff options:\n" \
@@ -438,7 +438,7 @@ int diff_flush_patch_id(struct diff_options *, struct object_id *, int);
 
 int diff_result_code(struct diff_options *, int);
 
-void diff_no_index(struct repository *, struct rev_info *, int, const char **);
+void diff_no_index(struct rev_info *, int, const char **);
 
 int index_differs_from(struct repository *r, const char *def,
                       const struct diff_flags *flags,