After discussing with Chris Lattner, we require C++11, so lets get rid of the macros and just use C++11.

llvm-svn: 179805
diff --git a/lldb/tools/lldb-platform/lldb-platform.cpp b/lldb/tools/lldb-platform/lldb-platform.cpp
index 9d8a716..112dc9e 100644
--- a/lldb/tools/lldb-platform/lldb-platform.cpp
+++ b/lldb/tools/lldb-platform/lldb-platform.cpp
@@ -185,7 +185,7 @@
     GDBRemoteCommunicationServer gdb_server (true);
     if (!listen_host_port.empty())
     {
-        STD_UNIQUE_PTR(ConnectionFileDescriptor) conn_ap(new ConnectionFileDescriptor());
+        std::unique_ptr<ConnectionFileDescriptor> conn_ap(new ConnectionFileDescriptor());
         if (conn_ap.get())
         {
             std::string connect_url ("listen://");