Log Message:
Update wget to 1.20.3, which fixes CVE-2019-5953

It appears that the buffer overflow issue referred to is the same in
both 1.20.2 and 1.20.3 (they had to fix the fix).

Upstream changelog:
* Changes in Wget 1.20.3

** Fixed a buffer overflow vulnerability

* Changes in Wget 1.20.2

** NTLM authentication will retry under certain cases

** Fixed a buffer overflow vulnerability