[libcmis] add forgotten dependency

[David Tardon]

commit f727998249eb330e16c2b8ca846bd6b521c01c15
Author: David Tardon <dtardon at redhat.com>
Date:   Thu Jun 28 09:24:34 2012 +0200

    add forgotten dependency

 libcmis.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libcmis.spec b/libcmis.spec
index b16fe10..d8db88e 100644
--- a/libcmis.spec
+++ b/libcmis.spec
@@ -9,6 +9,7 @@ URL: http://sourceforge.net/projects/libcmis/
 Source: http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
 
 BuildRequires: boost-devel
+BuildRequires: docbook2X
 BuildRequires: libcurl-devel
 BuildRequires: libxml2-devel