[gnome-user-docs] Make autogen.sh use the new configure.ac

[David King <davidk src gnome org>]

commit d0af935b274fa5ed257b17f56347fd273a63f680
Author: David King <amigadave amigadave com>
Date:   Tue Jun 18 19:00:42 2013 +0100

    Make autogen.sh use the new configure.ac

 autogen.sh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 7846cbf..921d7bb 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -6,7 +6,7 @@ test -z "$srcdir" && srcdir=.
 
 PKG_NAME="gnome-user-docs"
 
-(test -f $srcdir/configure.in \
+(test -f $srcdir/configure.ac \
   && test -d $srcdir/gnome-help) || {
     echo -n "**Error**: Directory "\`$srcdir\'" does not look like the"
     echo " top-level $PKG_NAME directory"