修复：使用https连接下载nginx源码

nginx.spec

@@ -71,7 +71,7 @@ Vendor: Nginx, Inc.
 URL: http://nginx.org/
 Group: %{_group}
 
-Source0: http://nginx.org/download/%{name}-%{version}.tar.gz
+Source0: https://nginx.org/download/%{name}-%{version}.tar.gz
 Source1: logrotate
 Source2: nginx.init.in
 Source3: nginx.sysconf