chardev/wctablet: Fix a typo

The correct name is Wacom.
Fix the typo which is present since 378af96.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190213123446.1768-1-philmd@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>

chardev/wctablet.c

@@ -177,7 +177,7 @@ static void wctablet_input_sync(DeviceState *dev)
 }
 
 static QemuInputHandler wctablet_handler = {
-    .name  = "QEMU Wacome Pen Tablet",
+    .name  = "QEMU Wacom Pen Tablet",
     .mask  = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_ABS,
     .event = wctablet_input_event,
     .sync  = wctablet_input_sync,