[libSM] build fixes

[Adam Jackson]

commit ecfc97e9b8598b0c8e43430c5b0ffec0b4ab4ad5
Author: Adam Jackson <ajax at redhat.com>
Date:   Thu Oct 28 07:03:48 2010 -0400

    build fixes

 libSM.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libSM.spec b/libSM.spec
index de25b83..32e566d 100644
--- a/libSM.spec
+++ b/libSM.spec
@@ -13,6 +13,7 @@ BuildRequires: xorg-x11-proto-devel
 BuildRequires: xorg-x11-xtrans-devel >= 1.0.3-4
 BuildRequires: libICE-devel
 BuildRequires: libuuid-devel
+BuildRequires: xmlto
 
 %description
 The X.Org X11 SM (Session Management) runtime library.