[python-cryptography] Add python-enum34 dependency

[Nathaniel McCallum]

commit 278630b2aa50ca5de7eb7dae3b2fd61d5cd16d79
Author: Nathaniel McCallum <npmccallum at redhat.com>
Date:   Wed Mar 4 11:10:56 2015 -0500

    Add python-enum34 dependency

 python-cryptography.spec | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/python-cryptography.spec b/python-cryptography.spec
index a81347d..3509f1f 100644
--- a/python-cryptography.spec
+++ b/python-cryptography.spec
@@ -19,7 +19,7 @@ BuildRequires:  openssl-devel
 BuildRequires:  python2-devel python-setuptools python-cffi >= 0.8 python-six
 # For check
 BuildRequires:  python-cryptography-vectors = %{version}, pytest, python-pyasn1
-BuildRequires:  python-iso8601, python-pretend
+BuildRequires:  python-iso8601, python-pretend, python-enum34
 %if 0%{?with_python3}
 BuildRequires:  python3-devel python3-setuptools python3-cffi >= 0.8 python3-six
 BuildRequires:  python3-pytest, python3-pyasn1, python3-iso8601, python3-pretend