[openchange] Add 'autoconf' to BuildRequires

[Milan Crha]

commit 28c101b0a6be3d99661871fbeefa77d55517280b
Author: Milan Crha <mcrha at redhat.com>
Date:   Fri Jun 1 15:02:55 2012 +0200

    Add 'autoconf' to BuildRequires

 openchange.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/openchange.spec b/openchange.spec
index e5bec4e..fb67776 100644
--- a/openchange.spec
+++ b/openchange.spec
@@ -30,6 +30,7 @@ BuildRoot: %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
 
 ### Build Dependencies ###
 
+BuildRequires: autoconf
 BuildRequires: bison
 BuildRequires: doxygen
 BuildRequires: file-devel