[sound-juicer] build: Rename configure.in to configure.ac

[Ross Burton <rburton src gnome org>]

commit 479043e3fcc568038a31450323afc2dfd2a62d23
Author: Nuno Araujo <nuno araujo russo79 com>
Date:   Sun Jan 13 13:48:52 2013 +0100

    build: Rename configure.in to configure.ac
    
    configure.in name has been deprecated for long time and it will be
    dropped in future versions of autotools

 configure.in => configure.ac |    0
 1 files changed, 0 insertions(+), 0 deletions(-)
---
diff --git a/configure.in b/configure.ac
similarity index 100%
rename from configure.in
rename to configure.ac