Add the error favicon (from cgisimple.c) as vanilla file as well

The icon is used on the webserver for requests from users
who try to reach Privoxy's webinterface but end up at the
webserver due to a misconfiguration.

Previously it was copied manually to the webserver
which is error prone.

diff --git a/doc/webserver/error-favicon.ico b/doc/webserver/error-favicon.ico
new file mode 100644 (file)
index 0000000..1cb73f6
Binary files /dev/null and b/doc/webserver/error-favicon.ico differ