Patch to server list initialization for FreeRADIUS client lib 1.1.6

[Scott Neugroschl]

DESCRIPTION:

FreeRADIUS client library 1.1.6

In lib/config.c, in set_option_srv(), when the serverlist is allocated, the
allocated memory
currently isn't zeroed.  This shouldn't be a problem, as we only search up
to serv->max, but
in rc_find_server(), we check to see if {acct,auth}servers->secret[i] is
NULL.  If we don't
zero out the SERVER structure upon allocation, this value could be non-zero,
and the test for
NULL could fail, leading to segfault.

The attached patch to lib/config.c addresses this issue by zeroing out the
SERVER structure
upon allocation.

Scott Neugroschl


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