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

*** 72,83 ****
  
  # 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.
  BUILD_PROJECT=;                         export BUILD_PROJECT
  
! # You should not need to change the next four lines
! LOCKNAME="`basename $CODEMGR_WS`_nightly.lock"; export LOCKNAME
  ATLOG="$CODEMGR_WS/log";                        export ATLOG
  LOGFILE="$ATLOG/nightly.log";                   export LOGFILE
  MACH=`uname -p`;                                export MACH
  
  # When the -A flag is specified, and ELF_DATA_BASELINE_DIR is defined,
--- 72,82 ----
  
  # 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.
  BUILD_PROJECT=;                         export BUILD_PROJECT
  
! # You should not need to change the next three lines
  ATLOG="$CODEMGR_WS/log";                        export ATLOG
  LOGFILE="$ATLOG/nightly.log";                   export LOGFILE
  MACH=`uname -p`;                                export MACH
  
  # When the -A flag is specified, and ELF_DATA_BASELINE_DIR is defined,