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

@@ -126,12 +126,11 @@
 
 # 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"
+# You should not need to change the next three lines
 export ATLOG="$CODEMGR_WS/log"
 export LOGFILE="$ATLOG/nightly.log"
 export MACH="$(uname -p)"
 
 #