disable keyrepeat by default (to satisfy many people who are too paranoid about the consistency with the original game)

input.c

@@ -244,7 +244,11 @@ PAL_UpdateKeyboardState(
          if (dwCurrentTime > rgdwKeyLastTime[i])
          {
             PAL_KeyDown(g_KeyMap[i][1], (rgdwKeyLastTime[i] != 0));
+#ifdef PAL_ALLOW_KEYREPEAT
             rgdwKeyLastTime[i] = dwCurrentTime + (rgdwKeyLastTime[i] == 0 ? 200 : 75);
+#else
+            rgdwKeyLastTime[i] = 0xFFFFFFFF;
+#endif
          }
       }
       else