Bug 577415: Allow positional parameters for XML-RPC, because Testopia

uses them.
r=ghendricks, a=mkanat


git-svn-id: svn://10.0.0.236/branches/BUGZILLA-4_0-BRANCH@260682 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/webtools/bugzilla/Bugzilla/WebService/Server/XMLRPC.pm

@@ -78,7 +78,10 @@ sub deserialize {
         $som->{_bz_do_taint} = 1;
     }
     bless $som, 'Bugzilla::XMLRPC::SOM';
-    Bugzilla->input_params($som->paramsin || {}); 
+    my $params = $som->paramsin;
+    # This allows positional parameters for Testopia.
+    $params = {} if ref $params ne 'HASH';
+    Bugzilla->input_params($params);
     return $som;
 }