Update variable name

SiteTests/FroNtier/tests/CE-cms-squid

@@ -2,7 +2,7 @@
 
 shopt -s expand_aliases
 
-SCRIPT_REVISION="2020-11-26"
+SCRIPT_REVISION="2020-12-01"
 MAINTAINERS="Dave Dykstra and Edita Kizinevic"
 SCRIPT_NAME=`basename "$0"`
 
@@ -132,25 +132,25 @@ echo
 cd $CMSREL/src
 cmsenv
 
-# Use IPv6 if frontier client version is 2.9 or greater
+# Use IPv6 addresses if frontier client version is 2.9 or greater
 frontier_client=`echo $FRONTIER_CLIENT | sed 's/.*frontier_client\///'`
 frontier_major_version=${frontier_client%%.*}
 frontier_minor_version=${frontier_client#*.}
 frontier_minor_version=${frontier_minor_version%%.*}
-use_IPv6=false
+use_IPv6_addresses=false
 re='^[0-9]+$'
 if [[ $frontier_major_version =~ $re ]] && [[ $frontier_minor_version =~ $re ]]; then
     if [ "$frontier_major_version" -gt "2" ]; then
-        use_IPv6=true
+        use_IPv6_addresses=true
     elif [ "$frontier_major_version" -eq "2" ] && [ "$frontier_minor_version" -ge "9" ]; then
-        use_IPv6=true
+        use_IPv6_addresses=true
     fi
 fi
 
 # Function to check proxies
 # $1 - list of proxies
 # $2 - $pilot
-# $3 - $use_IPv6
+# $3 - $use_IPv6_addresses
 check_proxies() {
     # Script does not use backupproxyurl if it is SAM test, but script uses backupproxyurl if it is pilot
     if $2; then
@@ -246,7 +246,7 @@ ever_failed=false
 ever_succeeded=false
 found_proxyconfig=false
 found_proxy=false
-check_proxies "$FNCONNECT" $pilot $use_IPv6
+check_proxies "$FNCONNECT" $pilot $use_IPv6_addresses
 
 #Check test results
 if [ "$failover" == true ]; then