expand wincap options to second field

<Someone> wishes to add a couple of new options to the wince port ("run fullscreen" and "do not use CE software keyboard").

The wincap field was full, so this adds a second field for
additional options.

win/Qt/qt_win.cpp

@@ -5192,6 +5192,7 @@ struct window_procs Qt_procs = {
 	WC_ASCII_MAP|WC_TILED_MAP|
 	WC_FONT_MAP|WC_TILE_FILE|WC_TILE_WIDTH|WC_TILE_HEIGHT|
 	WC_PLAYER_SELECTION|WC_SPLASH_SCREEN,
+    0L,
     NetHackQtBind::qt_init_nhwindows,
     NetHackQtBind::qt_player_selection,
     NetHackQtBind::qt_askname,