Fixed the default CURL_OPTS in floppy/_packer_config.cmd so that curl will _never_ time out retries.
Fixed the default CURL_OPTS in floppy/_packer_config.cmd so that curl will _never_ time out retries.

boxcutter/windows,HirotakaKato/boxcutter-windows-ja,HirotakaKato/boxcutter-windows-ja,boxcutter/windows,boxcutter/windows,HirotakaKato/boxcutter-windows-ja