Initialize the named_pipe_path in GDBRemoteCommunication::StartDebugserverProcess 
right after the space for it is allocated on the stack, instead of trying
to initialize it in all the different places in this method.  It's too easy
for another uninitialized code path to sneak in as it is written right now.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@200066 91177308-0d34-0410-b5e6-96231b3b80d8