Bad substitution

src/freedombone-app-postactiv

 
         # remove any invalid characters
         if [ ${#POSTACTIV_TITLE} -gt 0 ]; then
-            new_title=${"$POSTACTIV_TITLE"//\'//}
+            new_title=${"$POSTACTIV_TITLE"//\'/}
             POSTACTIV_TITLE="$new_title"
         fi