Pinger disable patch - 2nd try (where is my mind ???, forgot the patch....)

Hi,

This patch add the option to disable pinger when Squid is compiled with
ICMP enabled.
I have tested Squid without pinger, and seems to run fine, but I'm not
absolutely sure that it can't be side effect running netdb code without
pinger, Your opinion ?

Regards

Guido

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Serassio Guido
Via Albenga, 11/4 10134 - Torino - ITALY
E-mail: guido.serassio@serassio.it
WWW: http://www.serassio.it