message: Fix a use-after-free in lldb-server
  UriParser::Parse is returning a StringRef pointing the the parsed
  string, but we were calling it with a temporary string. Change this to a
  local variable to make sure the string persists as long as we need it.
diff: @@ -128,8 +128,9 @@ Status GDBRemoteCommunicationServerPlatform::LaunchGDBServer(
  llvm::StringRef platform_ip;
  int platform_port;
  llvm::StringRef platform_path;
  - bool ok = UriParser::Parse(GetConnection()->GetURI(), platform_scheme,
  - platform_ip, platform_port, platform_path);
  + std::string platform_uri = GetConnection()->GetURI();
  + bool ok = UriParser::Parse(platform_uri, platform_scheme, platform_ip,
  + platform_port, platform_path);
  UNUSED_IF_ASSERT_DISABLED(ok);
  assert(ok);
  