index-pack: correct --keep[=<msg>]

diff --git a/environment.c b/environment.c
index c3c860603da817b75d73bc446d03944e1963e874..5c4815dbe132fc358aa55eeb20d86d867c97c37f 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -237,7 +237,7 @@ int odb_mkstemp(char *template, size_t limit, const char *pattern)
        return xmkstemp_mode(template, mode);
 }
 
-int odb_pack_keep(char *name, size_t namesz, unsigned char *sha1)
+int odb_pack_keep(char *name, size_t namesz, const unsigned char *sha1)
 {
        int fd;