[3.0] 22489e0 Invoke libtoolize before aclocal.

[Tollef Fog Heen]

commit 22489e0ccaee87c144a5fd5e6aa03ebdc8338abd
Author: Martin Blix Grydeland <martin at varnish-software.com>
Date:   Thu Sep 6 09:59:00 2012 +0200

    Invoke libtoolize before aclocal.
    
    libtoolize was overwriting m4/libtool.m4, which aclocal.m4 depended on
    and needed aclocal to update. This caused the autotools files to be
    updated, triggering a second configure run on first build.

diff --git a/autogen.sh b/autogen.sh
index 6d28093..8a13e62 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -41,8 +41,8 @@ fi
 
 set -ex
 
-aclocal -I m4
 $LIBTOOLIZE --copy --force
+aclocal -I m4
 autoheader
 automake --add-missing --copy --foreign
 autoconf