Install common interface headers (fix ticket #700).
Install common interface headers (fix ticket #700).

Adapted version of patch from Paul Giblock, which follows:

From c00ad54dbc131ac64b8509a31782c3e072c6dee6 Mon Sep 17 00:00:00 2001
From: Paul Giblock <pgiblox@gmail.com>
Date: Sat, 28 May 2011 08:07:20 -0400
Subject: [PATCH] Install the common include headers again

Accidently removed while installing new public headers
---
 wscript |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/wscript b/wscript
index d93451d..29d3aae 100644


git-svn-id: fb6d863945102bebb9fe1d25d24b18a16295c170@3414 a436a847-0d15-0410-975c-d299462d15a1

drobilla/ingen,ventosus/ingen,drobilla/ingen,drobilla/ingen,drobilla/ingen,ventosus/ingen,ventosus/ingen,ventosus/ingen