[PATCH input-synaptics] tools: add the main include directory

[Dan Nicholson]

On Wed, Feb 10, 2010 at 9:59 AM, Gaetan Nadon <memsize at videotron.ca> wrote:
> Header record.h is not found in X11/extensions because -I leading
> to that directory is missing. I think it was accidently removed
> when fixing the CFLAGS misuse in an earlier commit.
>
> Signed-off-by: Gaetan Nadon <memsize at videotron.ca>

Reviewed-by: Dan Nicholson <dbn.lists at gmail.com>