travis-ci: record and skip successfully built trees

diff --git a/builtin/prune-packed.c b/builtin/prune-packed.c
index c026299e789abe19826264225fa2000b3149f875..ac978ad401c01c4f44d3134b95a2bcb8b29973f9 100644 (file)
--- a/builtin/prune-packed.c
+++ b/builtin/prune-packed.c
@@ -10,7 +10,7 @@ static const char * const prune_packed_usage[] = {
 
 static struct progress *progress;
 
-static int prune_subdir(int nr, const char *path, void *data)
+static int prune_subdir(unsigned int nr, const char *path, void *data)
 {
        int *opts = data;
        display_progress(progress, nr + 1);