Don't copy the config file to itself

src/freedombone

@@ -814,7 +814,9 @@ function read_configuration {
 
   if [ -f $CONFIGURATION_FILE ]; then
       # Ensure that a copy of the config exists for upgrade purposes
-      cp $CONFIGURATION_FILE /root/freedombone.cfg
+      if [[ $CONFIGURATION_FILE != '/root/freedombone.cfg' ]]; then
+          cp $CONFIGURATION_FILE /root/freedombone.cfg
+      fi
 
       if grep -q "LETSENCRYPT_SERVER" $CONFIGURATION_FILE; then
           LETSENCRYPT_SERVER=$(grep "LETSENCRYPT_SERVER" $CONFIGURATION_FILE | awk -F '=' '{print $2}')