fix win logic error

wordle

@@ -247,6 +247,8 @@ function check_guess() {
   declare chars=""
 
   declare -ga yellows=()
+  declare -ga greens=()
+
 
   for (( i=0; i<WIDTH; i++ )); do
     [[ "${_answer:i:1}" != "${_guess:i:1}" ]] && chars+=${_answer:i:1}