[libgtop] Use configure.ac instead of configure.in

[Robert Roth <robertroth src gnome org>]

commit ed1b3f5834d51c1b874f2109dfa1b985361e36bf
Author: Robert Roth <robert roth off gmail com>
Date:   Wed Aug 20 05:25:50 2014 +0300

    Use configure.ac instead of configure.in

 autogen.sh                   |    2 +-
 configure.in => configure.ac |    0
 debian/rules.in              |    2 +-
 3 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 36435a7..c2d0ac6 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -6,7 +6,7 @@ test -z "$srcdir" && srcdir=.
 
 PKG_NAME="Gnome Top Library"
 
-(test -f $srcdir/configure.in \
+(test -f $srcdir/configure.ac \
   && test -f $srcdir/copyright.txt \
   && test -d $srcdir/sysdeps) || {
     echo -n "**Error**: Directory "\`$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
diff --git a/debian/rules.in b/debian/rules.in
index 47a4d1a..49b9743 100755
--- a/debian/rules.in
+++ b/debian/rules.in
@@ -10,7 +10,7 @@
 i=$(shell pwd)/debian/tmp
 b=$(shell pwd)/debian/build
 
-configure: configure.in
+configure: configure.ac
        @echo "--- Making configure script and configuring"
        chmod +x autogen.sh
        ./autogen.sh --prefix=/@PREFIX@ --with-gnome=/@GNOMEPREFIX@ \