parse_date(): allow const date string

diff --git a/cache.h b/cache.h
index f29afc4088f12a4ceaa9f1bb474ee0536c34f864..f0eecb3d4cbb9b44f5689cf9698cc70a289b3d82 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -208,7 +208,7 @@ extern void *read_object_with_reference(const unsigned char *sha1,
                                        unsigned char *sha1_ret);
 
 const char *show_date(unsigned long time, int timezone);
-void parse_date(char *date, char *buf, int bufsize);
+void parse_date(const char *date, char *buf, int bufsize);
 void datestamp(char *buf, int bufsize);
 
 static inline void *xmalloc(size_t size)