r315199:
sbin/dhclient: fix a memory leak in parse_client_lease_statement(..)
The memory stored by `lease` would have previously been leaked if an
unterminated lease declaration was found in an early-return code path.
CID: 1007114
r315200:
Fix -Wunused-but-set-warning with `ret`
While here, resolve Coverity warnings by demonstrating that vfprintf's
return value is being explicitly ignored.
Tested with: clang, gcc 4.2.1, gcc 6.3.0
r315203:
sbin/dhclient: fix `vendor` storage leak in parse_option_decl(..)
This ensures the storage isn't leaked when non-NULL and the function
returns early, prior to the `free(vendor)` later on in the function.
CID: 1007111-1007113
09942e5715