[gnome-control-center] Rename configure.in to configure.ac

[Thomas Wood <thos src gnome org>]

commit 42133f871f892e86f28ca8af5928042bbb1b59aa
Author: Thomas Wood <thos gnome org>
Date:   Sat Dec 5 11:22:52 2009 +0000

    Rename configure.in to configure.ac
    
    The ".ac" extension is the preferred use:
    
    http://www.gnu.org/software/autoconf/manual/html_node/Writing-Autoconf-Input.html

 autogen.sh                   |    2 +-
 configure.in => configure.ac |    0
 2 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index d4d5124..77a952a 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -6,7 +6,7 @@ test -z "$srcdir" && srcdir=.
 
 PKG_NAME="control-center"
 
-(test -f $srcdir/configure.in \
+(test -f $srcdir/configure.ac \
   && test -f $srcdir/autogen.sh \
   && test -d $srcdir/shell) || {
     echo -n "**Error**: Directory "\`$srcdir\'" does not look like the"
diff --git a/configure.in b/configure.ac
similarity index 100%
rename from configure.in
rename to configure.ac