Fix static analysis failures

src/freedombone-template

@@ -31,9 +31,9 @@
 PROJECT_NAME='freedombone'
 
 app_name='noapp'
-app_name_lower=$(echo ${app_name} | tr '[:upper:]' '[:lower:]')
+app_name_lower=$(echo "${app_name}" | tr '[:upper:]' '[:lower:]')
 app_name=$app_name_lower
-app_name_upper=$(echo ${app_name} | tr '[:lower:]' '[:upper:]')
+app_name_upper=$(echo "${app_name}" | tr '[:lower:]' '[:upper:]')
 echo "test: $app_name_upper"
 app_repo="TODO"
 app_repo_commit='TODO'