[skip ci] minor changes in license script

scripts/license_manager.sh

@@ -15,6 +15,7 @@ exclude_folder=""
 #license=""
 config_folder=""
 license_exclude=""
+exclude_mark="// This is not part of WOLF"
 
 for i in "$@"; do
   case $i in
@@ -122,10 +123,9 @@ fi
 sed -i -e '/./,$!d' -e :a -e '/^\n*$/{$d;N;ba' -e '}' $license #remove empty lines at the beginning and at the end
 line_start_mark=$(head -n 1 $license)
 line_end_mark=$(tail -n 1 $license)
-exclude_mark="// This is not part of WOLF"
 echo "line_start: $line_start_mark"
 echo "line_end: $line_end_mark"
-echo "excluding files starting with: $exlude_mark"
+echo "excluding files starting with: $exclude_mark"
 
 # PATH (AND tmp FOLDER)
 folder=$path
@@ -171,7 +171,7 @@ if [ "$mode" == "add" ]; then
   echo "Recursively adding license header to all files (.c, .cpp, .h, .hpp):"
   for i in $file_list
   do
-    if grep -m1 -Fxq "${exlude_mark}" $i; then
+    if grep -m1 -Fxq "${exclude_mark}" $i; then
       echo "excluding ${i} since it contains exclude mark"
     else
       if grep -m1 -Fxq "${line_start_mark}" $i; then