Update boto.py

There was an error where the wrong variable name was being used when loading the config variables. The storage object was trying to load the boto_secure file, which didn't exist since it was called s3_secure. Therefore the registry was never using HTTPS with s3.

Author: Mariano Sorgente

depends/docker-registry-core/docker_registry/core/boto.py

@@ -136,7 +136,7 @@ def __init__(self, path=None, config=None):
         logger.info("Boto based storage initialized")
 
     def _build_connection_params(self):
-        kwargs = {'is_secure': (self._config.boto_secure is True)}
+        kwargs = {'is_secure': (self._config.s3_secure is True)}
         config_args = [
             'host', 'port', 'debug',
             'proxy', 'proxy_port',