1 files changed, 1 insertions, 1 deletions

diff --git a/snac.h b/snac.h
index bdbdade..be8aaae 100644
--- a/snac.h
+++ b/snac.h
@@ -50,7 +50,7 @@ int check_password(char *uid, char *passwd, char *hash);
 void srv_archive(char *direction, char *req, char *payload, int p_size,
                  int status, char *headers, char *body, int b_size);
 
-double mtime(char *fn);
+double mtime(const char *fn);
 
 int index_add(const char *fn, const char *md5);
 int index_del(const char *fn, const char *md5);