Update for Ubuntu 13.10 after feedback from Eran Ifrah.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@204619 91177308-0d34-0410-b5e6-96231b3b80d8
Modified patch from Piotr Rak that makes GetSharedModuleList() more thread safe and also fixed a missed member initialization on the copy contractor and also makes the assignment operator safer.

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@204622 91177308-0d34-0410-b5e6-96231b3b80d8