sg-report-flight: Fix misleading value in call to duration_estimator

The third argument is $debug.  If it's falseish, a default subref is
used instead.  Passing '' is confusing; pass undef instead.

No functional change.

Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>

diff --git a/sg-report-flight b/sg-report-flight
index de1fd14912da01e3ecfe00eaf076dbb035450a97..47ecf07dcce1ba8b1d5207bc3aa826273a156221 100755 (executable)
--- a/sg-report-flight
+++ b/sg-report-flight
@@ -763,7 +763,7 @@ END
 
     my $duration_estimator= duration_estimator($branch, $blessings[0]);
     foreach my $failv (@failures) {
-        my ($est) = $duration_estimator->($failv->{Job}{job},'','');
+        my ($est) = $duration_estimator->($failv->{Job}{job},'',undef);
         if (!defined $est) { $est = 1e5; }
         print DEBUG "DE $failv->{Job}{job} $est\n";
         $failv->{DurationEstimate}= $est;