5092 env files don't need to define LOCKNAME by default
5091 illumos.sh env file's LOCKNAME definition is busted

*** 126,137 ****
  
  # The project (see project(4)) under which to run this build.  If not
  # specified, the build is simply run in a new task in the current project.
  export BUILD_PROJECT=''
  
! # You should not need to change the next four lines
! export LOCKNAME="$(basename -- "$CODEMGR_WS")_nightly.lock"
  export ATLOG="$CODEMGR_WS/log"
  export LOGFILE="$ATLOG/nightly.log"
  export MACH="$(uname -p)"
  
  #
--- 126,136 ----
  
  # The project (see project(4)) under which to run this build.  If not
  # specified, the build is simply run in a new task in the current project.
  export BUILD_PROJECT=''
  
! # You should not need to change the next three lines
  export ATLOG="$CODEMGR_WS/log"
  export LOGFILE="$ATLOG/nightly.log"
  export MACH="$(uname -p)"
  
  #