Input: add KEY_BLUETOOTH and KEY_WLAN definitions

Some laptops have separate "rfkill" buttons for disabling/enabling
Bluetooth and WLAN.

Signed-off-by: Lennart Poettering <mzxreary@0pointer.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/include/linux/input.h b/include/linux/input.h
index 22a3610..5770105 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -349,6 +349,9 @@
 
 #define KEY_BATTERY		236
 
+#define KEY_BLUETOOTH		237
+#define KEY_WLAN		238
+
 #define KEY_UNKNOWN		240
 
 #define BTN_MISC		0x100