Fix bustage due to bug 1007605 (checksetup.pl crashes when installing Bugzilla)

git-svn-id: svn://10.0.0.236/trunk@265899 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/webtools/bugzilla/.bzrrev

@@ -1 +1 @@
-9353
+9354

mozilla/webtools/bugzilla/.gitrev

@@ -1 +1 @@
-a29f798a2506ec2b57cd4f7ebbdaf58387e6e490
+52ff6aa09dc77100b2b5a9bd696d2042d7573e94

mozilla/webtools/bugzilla/Bugzilla/Config/BugChange.pm

@@ -32,8 +32,13 @@ sub get_param_list {
   };
 
   my $resolution_field = Bugzilla::Field->new({ name => 'resolution', cache => 1 });
-  # The empty resolution is included - it represents "no value"
-  my @resolutions = map {$_->name} @{ $resolution_field->legal_values };
+  my @resolutions = ();
+  # The 'fielddefs' table is not yet populated when running checksetup.pl
+  # for the first time.
+  if ($resolution_field) {
+      # The empty resolution is included - it represents "no value"
+      @resolutions = map {$_->name} @{ $resolution_field->legal_values };
+  }
 
   my @param_list = (
   {