message: Make locale local
  Ironic that it wasn't. ;)
diff: @@ -23,11 +23,7 @@ using namespace NAS2D;
  static const int FIELD_PADDING = 4;
  -
  static const int CURSOR_BLINK_DELAY = 250;
  -
  -static std::locale LOC;
  -
  static const Font* TXT_FONT = nullptr;
  @@ -143,7 +139,8 @@ void TextField::onTextInput(const std::string& newTextInput)
  auto prvLen = text().length();
  - if (mNumbersOnly && !std::isdigit(newTextInput[0], LOC)) { return; }
  + std::locale locale;
  + if (mNumbersOnly && !std::isdigit(newTextInput[0], locale)) { return; }
  mText = mText.insert(mCursorPosition, newTextInput);
  