XXXX Allow OpenZFS contributors to build-check their changes on illumos

*** 123,132 ****
--- 123,133 ----
  file path=opt/onbld/bin/webrev mode=0555
  file path=opt/onbld/bin/which_scm mode=0555
  file path=opt/onbld/bin/ws mode=0555
  file path=opt/onbld/bin/wsdiff mode=0555
  file path=opt/onbld/bin/xref mode=0555
+ file path=opt/onbld/bin/zmake mode=0555
  file path=opt/onbld/bin/xref.mk
  file path=opt/onbld/env/developer
  file path=opt/onbld/env/gatekeeper
  file path=opt/onbld/env/illumos
  file path=opt/onbld/etc/SampleLinks
*** 215,224 ****
--- 216,226 ----
  file path=opt/onbld/man/man1/webrev.1
  file path=opt/onbld/man/man1/which_scm.1
  file path=opt/onbld/man/man1/ws.1
  file path=opt/onbld/man/man1/wsdiff.1
  file path=opt/onbld/man/man1/xref.1
+ file path=opt/onbld/man/man1/zmake.1
  hardlink path=opt/onbld/bin/$(ARCH)/install.bin target=./install
  legacy pkg=SUNWonbld desc="tools used to build the OS-Net consolidation" \
      name="OS-Net Build Tools" version=11.11,REV=2009.10.22
  license cr_Sun license=cr_Sun
  license lic_CDDL license=lic_CDDL