src/udev/udev-builtin-keyboard.c: fix build with gperf 3.1

Signed-off-by: Anthony G. Basile <[email protected]>

Author: blueness

src/udev/udev-builtin-keyboard.c

@@ -28,7 +28,6 @@
 
 #include "udev.h"
 
-static const struct key *keyboard_lookup_key(const char *str, unsigned len);
 #include "keyboard-keys-from-name.h"
 #include "keyboard-keys-to-name.h"