[java-atk-wrapper/wip] Build: fix configure.ac warning

[Magdalen Berns <mberns src gnome org>]

commit cebb7bcf123e48b4abc9ad9a7bf137258ca03b6a
Author: Magdalen Berns <m berns thismagpie com>
Date:   Wed Jul 1 02:48:38 2015 +0100

    Build: fix configure.ac warning
    
    Bug: https://bugzilla.gnome.org/show_bug.cgi?id=751762

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index d6c4e3c..4cfe8eb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -27,6 +27,7 @@ AC_PROG_CC(gcc)
 AC_PROG_CXX(gcc)
 AC_PROG_INSTALL
 AC_ISC_POSIX
+AC_PROG_RANLIB
 AC_PATH_XTRA
 
 # Initialize libtool