copy-paste failure corrected.

src/input/input.cpp

@@ -46,6 +46,7 @@ InputDeviceInternal* InputDeviceInternal::CreateStandardKeyboard()
     /* "value" is unused, what matters is the index. */
 #   define KEY_FUNC(key, value) \
         keyboard->AddKey(#key);
+#   include "input/keys.h"
 #   undef KEY_FUNC
     return keyboard;
 }