Fix build on OpenBSD 5.3.

* Pass LDFLAGS to gsx build etc.
* Pass -lxcb to LDFLAGS for OpenBSD
Fix previous: add missing trailing slash.
From Nat Sloss in PR 48261.
Bump PKGREVISION.
Unbreak previous.
Use INSTALL_LIB with 7z.so; fixes 'symbols referenced by indirect symbol table entries that can't be stripped' on Darwin
Update to 1.1.1:

Changes between 1.1.0 and 1.1.1:
--------------------------------

 * Various bugfixes (documentation, dvbinfo)
 * Check TDT and TOT in dvbpsi_CheckPSISection() both have b_syntax_indicator set to '0'.
 * Allow SDT with table_id 0x46
Updated multimedia/libdvbpsi to 1.1.1
+ cdialog-1.2.20130928, conserver-8.1.19, courier-mta-0.72,
  doclifter-2.13, eric5-5.3.7, etm2-2.2.2 [etm successor],
  highlight-3.16, libdvbpsi-1.1.1, lighttpd-1.4.33, lzip-1.15,
  sane-1.0.24, sawfish-1.10, softhsm-1.3.5, wine-devel-1.7.3 [wait
  until NetBSD gains OSS 4 [kern/46611] or bring OSS 3 support
  back].