Add git-active utility

*** 68,77 ****
--- 68,78 ----
  f none opt/onbld/bin/elfcmp 555 root bin
  f none opt/onbld/bin/elfsigncmp 555 root bin
  f none opt/onbld/bin/flg.flp 555 root bin
  f none opt/onbld/bin/genoffsets 555 root bin
  f none opt/onbld/bin/get_depend_info 555 root bin
+ f none opt/onbld/bin/git-active 555 root bin
  f none opt/onbld/bin/hdrchk 555 root bin
  f none opt/onbld/bin/hg-active 555 root bin
  f none opt/onbld/bin/hgsetup 555 root bin
  f none opt/onbld/bin/intf_check 555 root bin
  f none opt/onbld/bin/jstyle 555 root bin