dgit: clean_tree: confess rather than die on unknown clean mode

That would be an internal error.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/dgit b/dgit
index 4587af2..f5092f5 100755
--- a/dgit
+++ b/dgit
@@ -6265,7 +6265,7 @@ sub clean_tree () {
 	clean_tree_check();
     } elsif ($cleanmode eq 'none') {
     } else {
-	die "$cleanmode ?";
+	confess "$cleanmode ?";
     }
 }