Fixed a counter problem with HTTP request dynamic priorities ...

OpenSim/Region/CoreModules/Scripting/HttpRequest/ScriptsHttpRequests.cs

@@ -385,6 +385,7 @@ public UUID StartHttpRequest(UUID sogId, uint localID, UUID itemID, string url,
                     }
                     else
                     {
+                        DecrementObjectQueue(sogId);
                         return UUID.Zero;
                     }
                 }