message: Fix plurals in some /znc commands
diff: @@ -129,7 +129,7 @@ void CClient::UserCommand(CString& sLine) {
  PutStatus(t_p("There was {1} channel matching [{2}]",
  "There were {1} channels matching [{2}]",
  sChans.size())(sChans.size(), sPatterns));
  - PutStatus(t_p("Attached {1} channel", "Attached {2} channels",
  + PutStatus(t_p("Attached {1} channel", "Attached {1} channels",
  uAttachedChans)(uAttachedChans));
  } else if (sCommand.Equals("DETACH")) {
  if (!m_pNetwork) {
  @@ -151,7 +151,7 @@ void CClient::UserCommand(CString& sLine) {
  PutStatus(t_p("There was {1} channel matching [{2}]",
  "There were {1} channels matching [{2}]",
  sChans.size())(sChans.size(), sPatterns));
  - PutStatus(t_p("Detached {1} channel", "Detached {2} channels",
  + PutStatus(t_p("Detached {1} channel", "Detached {1} channels",
  uDetached)(uDetached));
  } else if (sCommand.Equals("VERSION")) {
  PutStatus(CZNC::GetTag());
  