[gnome-system-monitor] configure: Use configure.ac instead configure.in

[Chris Kühl <chriskuehl src gnome org>]

commit a72f7bc93f07bfd6a17a94c5181b00e6448d3726
Author: Javier Jardón <jjardon gnome org>
Date:   Wed Mar 2 15:29:57 2011 +0000

    configure: Use configure.ac instead configure.in
    
    https://bugzilla.gnome.org/show_bug.cgi?id=643686

 autogen.sh                   |    2 +-
 configure.in => configure.ac |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 98816f4..34398ea 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -6,7 +6,7 @@ test -z "$srcdir" && srcdir=.
 
 PKG_NAME="the package."
 
-(test -f $srcdir/configure.in) || {
+(test -f $srcdir/configure.ac) || {
     echo -n "**Error**: Directory "\`$srcdir\'" does not look like the"
     echo " top-level directory"
     exit 1
diff --git a/configure.in b/configure.ac
similarity index 98%
rename from configure.in
rename to configure.ac
index 83946cf..755aebb 100644
--- a/configure.in
+++ b/configure.ac
@@ -4,7 +4,7 @@ AC_PREREQ(2.52)
 
 AC_INIT([gnome-system-monitor], [2.99.1],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=system-monitor])
-AC_CONFIG_SRCDIR(configure.in)
+AC_CONFIG_SRCDIR(configure.ac)
 AC_CONFIG_HEADERS(config.h)
 
 AM_INIT_AUTOMAKE