New BuildRequires for CentOS 7: python-setuptools (#3630)

(It's already added for debian from
commit 4a77a79)

Signed-off-by: Kai Takahashi <www.carrotsoft@gmail.com>

Author: 瓜

packaging/centos7/cloud.spec

@@ -46,6 +46,7 @@ BuildRequires: glibc-devel
 BuildRequires: /usr/bin/mkisofs
 BuildRequires: mysql-connector-python
 BuildRequires: maven => 3.0.0
+BuildRequires: python-setuptools
 
 %description
 CloudStack is a highly-scalable elastic, open source,