[mingw-libarchive] Fix build requirements

[mooninite]

commit 6d5d05f154217297cddc3a5af3bdae7b17a9df4e
Author: Michael Cronenworth <mike at cchtml.com>
Date:   Sat Jan 19 12:59:18 2013 -0600

    Fix build requirements

 mingw-libarchive.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/mingw-libarchive.spec b/mingw-libarchive.spec
index 24d895a..79f6ae8 100644
--- a/mingw-libarchive.spec
+++ b/mingw-libarchive.spec
@@ -27,6 +27,7 @@ BuildRequires:  mingw32-xz-libs
 BuildRequires:  mingw64-xz-libs
 BuildRequires:  mingw32-zlib
 BuildRequires:  mingw64-zlib
+BuildRequires:  automake autoconf libtool
 
 
 %description