k5_pac_verify_server_checksum was leaking memory when the checksum was valid.

t_pac.c: Fix memory leak by forgetting to release memory.



https://github.com/krb5/krb5/commit/4ab2266afad7a3ede0fa3587d7a38e855948af55
Commit By: epeisach
Revision: 22474
Changed Files:
U   trunk/src/lib/krb5/krb/pac.c
U   trunk/src/lib/krb5/krb/t_pac.c