IMPALA-2280: Fix use-after-free in webserver SSL path
IMPALA-2280: Fix use-after-free in webserver SSL path

Options to the Squeasel webserver are copied during sq_start(), but the
SSL private-key password went out of scope before sq_start() was called.

Change-Id: I4c0b5661c6f21d94b22c90f6dc804d36fb9af6c4
Reviewed-on: http://gerrit.cloudera.org:8080/743
Reviewed-by: Dan Hecht <20ebd99959f0f6e5dcb0fc319b4d8ef53a16b5fb@cloudera.com>
Tested-by: Internal Jenkins

ibmsoe/ImpalaPPC,ibmsoe/ImpalaPPC,ibmsoe/ImpalaPPC,ibmsoe/ImpalaPPC,ibmsoe/ImpalaPPC,ibmsoe/ImpalaPPC,ibmsoe/ImpalaPPC