- update to 1.7.3.1, security fixes:
* Socat security advisory 7 and MSVR-1499: "Bad DH p parameter in
OpenSSL" (bnc#938913 and CVE-2015-4000).
* Socat security advisory 8: "Stack overflow in arguments parser"
(bnc#964844)

- test-suite, use a small but safe subset of all tests
- don't remove "example" scripts from builddir, they are needed for
tests

- remove socat-remove_date.patch, export BUILD_DATE instead
(new feature since 1.7.2.4)
- run tests, don't abort yet
- require tcpd-devel only on SUSE systems at build time

- Update to version 1.7.3.0
* Too many changes to list; please read the CHANGES file for news
- Remove redundant %clean section
- Update fix-linux-errqueue.h-not-found.patch and socat-remove_date.patch