binzip tweaks

git-svn-id: https://plugins.svn.wordpress.org/updraftplus/trunk@756064 b8457f37-d9ea-0310-8a92-e5e31aec5664
binzip typo

git-svn-id: https://plugins.svn.wordpress.org/updraftplus/trunk@756065 b8457f37-d9ea-0310-8a92-e5e31aec5664