[WIN32] Enable -k option on Windows too

There is no reason to have it disabled on this platform.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

vl.c

@@ -5042,11 +5042,9 @@ int main(int argc, char **argv, char **envp)
             case QEMU_OPTION_S:
                 autostart = 0;
                 break;
-#ifndef _WIN32
 	    case QEMU_OPTION_k:
 		keyboard_layout = optarg;
 		break;
-#endif
             case QEMU_OPTION_localtime:
                 rtc_utc = 0;
                 break;