#16 --file parm unitialized var error if name not *.html

[Hammer]

checkbot --url http://192.168.0.5/index.htm --file test
will fail with "Use of uninitializedvalue $server_prefix in concatenation (.) or string at /usr/bin/loca/checkbot line 1292.

Suggest you automatically append .html to file if not already on the end.

Version 1.80