Fixes a few more places where we were manually setting the filename.

llvm-svn: 216247
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
index 1057c6d..9f23009 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
@@ -753,7 +753,7 @@
                 FileSpec tmpdir_file_spec;
                 if (HostInfo::GetLLDBPath(ePathTypeLLDBTempSystemDir, tmpdir_file_spec))
                 {
-                    tmpdir_file_spec.GetFilename().SetCString("debugserver-named-pipe.XXXXXX");
+                    tmpdir_file_spec.AppendPathComponent("debugserver-named-pipe.XXXXXX");
                     strncpy(named_pipe_path, tmpdir_file_spec.GetPath().c_str(), sizeof(named_pipe_path));
                 }
                 else