pkg/51343: security/gnupg21 breaks on OS X after 2.1.14 update

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>Number:         51343
>Category:       pkg
>Synopsis:       security/gnupg21 breaks on OS X after 2.1.14 update
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jul 18 20:30:00 +0000 2016
>Originator:     Jonathan Schleifer
>Release:        HEAD
>Organization:
>Environment:
Darwin obuolys.local 15.5.0 Darwin Kernel Version 15.5.0: Tue Apr 19 18:36:36 PDT 2016; root:xnu-3248.50.21~8/RELEASE_X86_64 x86_64
>Description:
After the update to 2.1.14, security/gnupg21 breaks during linking on OS X:

clang -imacros scheme-config.h -I/opt/pkg/include -I/opt/pkg/include -I/opt/pkg/include -Wall -Wno-pointer-sign -Wpointer-arith  -I/opt/pkg/include -I/usr/include  -lresolv -L/opt/pkg/lib -L/usr/lib -L/opt/pkg/lib -L/opt/pkg/lib -o gpgscm gpgscm-main.o gpgscm-ffi.o gpgscm-scheme.o  ../../common/libcommon.a  /usr/lib/libiconv.dylib  -L/opt/pkg/lib -lgcrypt -lgpg-error -L/opt/pkg/lib -lgpg-error
Undefined symbols for architecture x86_64:
  "_libintl_bind_textdomain_codeset", referenced from:
      _i18n_switchto_utf8 in libcommon.a(libcommon_a-i18n.o)
      _i18n_switchback in libcommon.a(libcommon_a-i18n.o)
  "_libintl_bindtextdomain", referenced from:
      _i18n_init in libcommon.a(libcommon_a-i18n.o)
      _i18n_localegettext in libcommon.a(libcommon_a-i18n.o)
  "_libintl_gettext", referenced from:
      _my_strusage in gpgscm-main.o
      _create_pipe_and_estream in libcommon.a(libcommon_a-exechelp-posix.o)
      _gnupg_spawn_process in libcommon.a(libcommon_a-exechelp-posix.o)
      _gnupg_spawn_process_fd in libcommon.a(libcommon_a-exechelp-posix.o)
      _gnupg_wait_processes in libcommon.a(libcommon_a-exechelp-posix.o)
      _gnupg_spawn_process_detached in libcommon.a(libcommon_a-exechelp-posix.o)
      _disable_core_dumps in libcommon.a(libcommon_a-sysutils.o)
      ...
  "_libintl_setlocale", referenced from:
      _i18n_init in libcommon.a(libcommon_a-i18n.o)
      _i18n_localegettext in libcommon.a(libcommon_a-i18n.o)
  "_libintl_textdomain", referenced from:
      _i18n_init in libcommon.a(libcommon_a-i18n.o)
ld: symbol(s) not found for architecture x86_64
>How-To-Repeat:
cd security/gnupg21 && bmake
>Fix: