Add support for right alt key

src/od-pandora/pandora.cpp

@@ -979,6 +979,7 @@ void handle_events (void)
 		case SDL_KEYUP:
   			if(rEvent.key.keysym.sym==SDLK_PAGEUP)
   				slow_mouse = false;
+#ifdef PANDORA_SPECIFIC
   			if(currprefs.pandora_custom_dpad == 1) // dPad as mouse, why these emulation of key presses?
   			{
   				if(rEvent.key.keysym.sym==SDLK_RSHIFT)
@@ -997,7 +998,7 @@ void handle_events (void)
   					record_key((AK_DN << 1) | 1);
   				}
   			}
-
+#endif
 				if (rEvent.key.keysym.sym==SDLK_RSHIFT || rEvent.key.keysym.sym==SDLK_RCTRL)
 			  {
 					doStylusRightClick = 0;