[dak/security] Avoid possible undefined variable complaint with length function.

[Stephen Gran <steve@lobefin.net>]

---
 tools/debianqueued-0.9/debianqueued |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/debianqueued-0.9/debianqueued b/tools/debianqueued-0.9/debianqueued
index 97359b0..6d97182 100755
--- a/tools/debianqueued-0.9/debianqueued
+++ b/tools/debianqueued-0.9/debianqueued
@@ -2124,7 +2124,7 @@ sub send_mail($$$) {
 	my $subject = shift;
 	my $text = shift;
 
-        my $package = join(' ', keys %main::packages);
+        my $package = keys %main::packages ? join(' ', keys %main::packages) : "";
 
         use Email::Send;
 
-- 
1.5.6.5