Move :nocov: to the right place

Author: Kevin Paulisse

lib/octocatalog-diff/catalog/computed.rb

@@ -93,8 +93,8 @@ def cleanup_checkout_dir(checkout_dir, logger)
         # a parallel environment. Trap and ignore the errors here if we don't care about them.
         begin
           FileUtils.remove_entry_secure checkout_dir
-        rescue Errno::ENOTEMPTY, Errno::ENOENT => exc
           # :nocov:
+        rescue Errno::ENOTEMPTY, Errno::ENOENT => exc
           logger.debug "cleanup_checkout_dir(#{checkout_dir}) logged #{exc.class} - this can be ignored"
           # :nocov:
         end