Prevent ICommander-generated subcommand trees from generating an exception

when the tree root command is executes without another verb following it.
Fixes Mantis #3258

1 files changed, 6 insertions, 1 deletions

diff --git a/OpenSim/Framework/Console/ConsoleBase.cs b/OpenSim/Framework/Console/ConsoleBase.cs
index 588a39a..fda2037 100644
--- a/OpenSim/Framework/Console/ConsoleBase.cs
+++ b/OpenSim/Framework/Console/ConsoleBase.cs
@@ -358,7 +358,12 @@ namespace OpenSim.Framework.Console
                 if (ci.fn.Count == 0)
                     return new string[0];
                 foreach (CommandDelegate fn in ci.fn)
-                    fn(ci.module, result);
+                {
+                    if (fn != null)
+                        fn(ci.module, result);
+                    else
+                        return new string[0];
+                }
                 return result;
             }