fixing shutdown crash. this code should not have been calling IPC_Shutdown.

not part of the build


git-svn-id: svn://10.0.0.236/trunk@158611 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp

@@ -1282,8 +1282,6 @@ DestroyDConnectInstance(const void *key,
 
 ipcDConnectService::~ipcDConnectService()
 {
-  IPC_Shutdown();
-
   // make sure we have released all instances
   mInstances.EnumerateRead(DestroyDConnectInstance, nsnull);
   mInstances.Clear();