[PATCH] Build required portions of registry.c automatically [v2]

[Adam Jackson]

On Mon, 2014-09-15 at 09:18 -0700, Keith Packard wrote:
> Instead of making the inclusion of the registry code a global
> conditional, split the registry into two pieces; the bits required by
> the X-Resource extension (the resource names) and the bits required by
> the XCSECURITY extension (the protocol names). Build each set of code
> if the related extension is being built.
> 
> v2: Check for both XCSECURITY and XSELINUX.

1, 2, and v2 of 3 are:

Reviewed-by: Adam Jackson <ajax at redhat.com>

- ajax