[radius-engine] rename configure.in to configure.ac

[Tom Callaway]

commit d5e5ce3a14725696771484b09517cd18ae45703f
Author: Tom Callaway <spot at fedoraproject.org>
Date:   Fri Aug 3 11:37:31 2012 -0400

    rename configure.in to configure.ac

 radius-engine.spec |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/radius-engine.spec b/radius-engine.spec
index 0878239..d99cca0 100644
--- a/radius-engine.spec
+++ b/radius-engine.spec
@@ -40,6 +40,8 @@ Development libraries and headers for Radius Engine.
 %patch0 -p1 -b .lua
 %patch1 -p1 -b .shared
 %patch2 -p1 -b .disable-extra-portability
+# autoconf is being anal now.
+mv configure.in configure.ac
 autoreconf -if
 chmod -x *.c *.h ChangeLog