message: extend subversion to include peercoin version
diff: @@ -98,5 +98,7 @@ std::string FormatSubVersion(const std::string& name, int nClientVersion, const
  ss << ")";
  }
  ss << "/";
  + ss << "Peercoin:" << FormatVersion(PEERCOIN_VERSION);
  + ss << "(" << CLIENT_BUILD << ")/";
  return ss.str();
  }
  