androidvncserver: remove keycodes not in NDK anymore

This makes the android VNC server example build again.

examples/androidvncserver.c

@@ -243,7 +243,7 @@ static int keysym2scancode(rfbBool down, rfbKeySym key, rfbClientPtr cl)
     } else if (code>=0xFF50 && code<=0xFF58) {
         static const uint16_t map[] =
              {  KEY_HOME, KEY_LEFT, KEY_UP, KEY_RIGHT, KEY_DOWN,
-                KEY_SOFT1, KEY_SOFT2, KEY_END, 0 };
+                KEY_END, 0 };
         scancode = map[code & 0xF];
     } else if (code>=0xFFE1 && code<=0xFFEE) {
         static const uint16_t map[] =
@@ -264,10 +264,7 @@ static int keysym2scancode(rfbBool down, rfbKeySym key, rfbClientPtr cl)
         scancode = map[(code & 0x5F) - 'A'];
     } else {
         switch (code) {
-            case 0x0003:    scancode = KEY_CENTER;      break;
             case 0x0020:    scancode = KEY_SPACE;       break;
-            case 0x0023:    scancode = KEY_SHARP;       break;
-            case 0x0033:    scancode = KEY_SHARP;       break;
             case 0x002C:    scancode = KEY_COMMA;       break;
             case 0x003C:    scancode = KEY_COMMA;       break;
             case 0x002E:    scancode = KEY_DOT;         break;
@@ -280,7 +277,6 @@ static int keysym2scancode(rfbBool down, rfbKeySym key, rfbClientPtr cl)
             case 0xFF1B:    scancode = KEY_BACK;        break;
             case 0xFF09:    scancode = KEY_TAB;         break;
             case 0xFF0D:    scancode = KEY_ENTER;       break;
-            case 0x002A:    scancode = KEY_STAR;        break;
             case 0xFFBE:    scancode = KEY_F1;        break; // F1
             case 0xFFBF:    scancode = KEY_F2;         break; // F2
             case 0xFFC0:    scancode = KEY_F3;        break; // F3