[python-vcstools/el6] Add missing yaml dep

[rmattes]

commit e17d0b77f0aade26958bf254671d5d9b3f4c85c2
Author: Rich Mattes <richmattes at gmail.com>
Date:   Sat Feb 8 19:30:30 2014 -0500

    Add missing yaml dep

 python-vcstools.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/python-vcstools.spec b/python-vcstools.spec
index 426eace..7c1830c 100644
--- a/python-vcstools.spec
+++ b/python-vcstools.spec
@@ -17,6 +17,7 @@ BuildArch:      noarch
 BuildRequires:  python-dateutil
 BuildRequires:  python-devel
 BuildRequires:  python-sphinx
+BuildRequires:  PyYAML
 
 Requires:       python-dateutil
 Requires:       PyYAML