Fix Linux build of LLDB
- conditionally build mac-specific plugins only on mac (PluginObjectFileMachO, PluginDynamicLoaderDrawinKernel and PluginDynamicLoaderMacOSXDYLD)
- clean up warnings by ignoring deprecated declarations (auto_ptr for example)



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@179694 91177308-0d34-0410-b5e6-96231b3b80d8