Unicode input fixed

Hi.
While working with our game client for Linux I've found that I can type only English letters, and Torque does not want to understand that the language is switched to Russian (or any other).

Here is a fix (*hack*) forcing Torque to work with Unicode input:

x86UNIXFont.cc:

bool x86UNIXFont::isValidChar(const UTF16 str) const
{
  // we accept 0x20  == 32, and bigger
  [b]return (str > 0x19);[/b]
}

x86UNIXInputManager.cc:
inside void UInputManager::keyEvent(const SDL_Event& event):

...
   ievent.fValue = (action == SI_MAKE || action == SI_REPEAT) ? 1.0 : 0.0;

   [b]ievent.ascii = event.key.keysym.unicode;[/b]

   processKeyEvent(ievent);
   ...

inside bool UInputManager::processKeyEvent( InputEvent &event ):
comment out the ascii assignment:

...
   [b]//event.ascii = Input::getAscii( event.objInst, state );[/b]

   return modKey;

x86UNIXWindow.cc:
at the beginning of static bool InitSDL() change to:

if (SDL_Init(SDL_INIT_VIDEO) != 0)
      return false;
   [b]SDL_EnableUNICODE(1);[/b]
   atexit(SDL_Quit);
   ...

P.S. Confirmed to work on openSUSE and Gentoo.