pkg/51501: abiword-plugins build fails with gnutls 3.5.4

[jdbaker%mylinuxisp.com@localhost]

>Number:         51501
>Category:       pkg
>Synopsis:       abiword-plugins build fails with gnutls 3.5.4
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Sep 23 22:55:00 +0000 2016
>Originator:     John D. Baker
>Release:        NetBSD/amd64-7.0_STABLE, pkgsrc-HEAD (pre-pkgsrc-2016Q3)
>Organization:
>Environment:
NetBSD tesla.clamp.net 7.0_STABLE NetBSD 7.0_STABLE (TESLA) #48: Tue Sep 20 20:37:59 CDT 2016  sysop%tesla.clamp.net@localhost:/d0/build/netbsd-7/obj/amd64/sys/arch/amd64/compile/TESLA amd64

>Description:
Following the update of "security/gnutls" to v3.5.4, building
"editors/abiword-plugs" fails with:

[...]
  CXX      tls_tunnel.lo
tls_tunnel.cpp: In member function 'tls_tunnel::session_ptr_t tls_tunnel::ClientProxy::setup_tls_session(tls_tunnel::socket_ptr_t)':
tls_tunnel.cpp:403:66: error: 'gnutls_kx_set_priority' was not declared in this scope
  return_val_if_neg(gnutls_kx_set_priority(*session_ptr,PRIORITIES), session_ptr_t());
[...]
>How-To-Repeat:
See above.
>Fix: