Pullup ticket #4247 - requested by bsiegert
lang/gawk: build fix

Revisions pulled up:
- lang/gawk/Makefile                                            1.57
- lang/gawk/PLIST                                              1.20
- lang/gawk/distinfo                                            1.25
- lang/gawk/patches/patch-extension_configure                  1.1

---
  Module Name:    pkgsrc
  Committed By:  bsiegert
  Date:          Sat Oct 19 19:47:39 UTC 2013

  Modified Files:
          pkgsrc/lang/gawk: Makefile PLIST distinfo
  Added Files:
          pkgsrc/lang/gawk/patches: patch-extension_configure

  Log Message:
  Fix build on MirBSD.

  The gawk developers added code to skip building the extensions on MirBSD
  but inserted a syntax error. Also skip the extensions in the PLIST on MirBSD.

(tron)