package/socat: bump to version 1.7.3.4

Drop patch #2. Upstream commit d8a5d49c2d8359 includes stddef.h in a
higher level header.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
4 files changed