[skip ci] license_script bugfix: added extra linebreak in add mode

scripts/license_manager.sh

@@ -177,7 +177,7 @@ if [ "$mode" == "add" ]; then
         :
       else
         echo " - ${i}"
-        ( cat ${license}; cat $i ) > temp_file
+        ( cat ${license}; echo ""; cat $i ) > temp_file
         mv temp_file $i
       fi
     fi