message: fix parenths
diff: @@ -100,7 +100,7 @@ bool WiFiManager::addParameter(WiFiManagerParameter *p) {
  // check param id is valid, unless null
  if(p->getID()){
  for (size_t i = 0; i < strlen(p->getID()); i++){
  - if(!isAlphaNumeric(p->getID()[i]) && !p->getID()[i]=='_'){
  + if(!(isAlphaNumeric(p->getID()[i])) && !(p->getID()[i]=='_')){
  DEBUG_WM(DEBUG_ERROR,"[ERROR] parameter IDs can only contain alpha numeric chars");
  return false;
  }
  