[ekiga/gnome-2-26] Fix gdu (gnome-doc-utils) configure option

[Eugen Dedu <ededu src gnome org>]

commit a418019f6bd557ce5a6ff6c5a48ea9d69c3ad0ee
Author: Eugen Dedu <Eugen Dedu pu-pm univ-fcomte fr>
Date:   Mon Mar 1 21:08:00 2010 +0100

    Fix gdu (gnome-doc-utils) configure option
    
    Fixes bug #598070.

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index bdb2699..f390572 100644
--- a/configure.ac
+++ b/configure.ac
@@ -705,6 +705,7 @@ fi],enable_gdu=yes)
       AC_MSG_ERROR(Couldn't find scrollkeeper-config. Please install the scrollkeeper package: http://scrollkeeper.sourceforge.net)
     fi
     GDU="enabled"
+    AC_DEFINE(HAVE_GNOME_DOC_UTILS,1,[GNOME-Doc-Utils support])
   fi
 fi