repack: retain the return value of pack-objects

diff --git a/builtin/grep.c b/builtin/grep.c
index a419cda729c24453427067dd9e14a8850d9e7075..d3b3b1db1121b37d5a8d0e440e03273526003774 100644 (file)
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -375,7 +375,7 @@ static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int
        read_cache();
 
        for (nr = 0; nr < active_nr; nr++) {
-               struct cache_entry *ce = active_cache[nr];
+               const struct cache_entry *ce = active_cache[nr];
                if (!S_ISREG(ce->ce_mode))
                        continue;
                if (!match_pathspec_depth(pathspec, ce->name, ce_namelen(ce), 0, NULL))