worktree: prepare for more checks of whether path can become worktree

diff --git a/pretty.c b/pretty.c
index 2b12da324bc0171c24fd88b6da636f70cd11f214..98cf5228f9e30fe5622bdfb4c54d996cb3153808 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -1538,7 +1538,7 @@ void format_commit_message(const struct commit *commit,
        }
 
        if (output_enc) {
-               int outsz;
+               size_t outsz;
                char *out = reencode_string_len(sb->buf, sb->len,
                                                output_enc, utf8, &outsz);
                if (out)