Check for existence of wildcard blocking list before trying to acces it

pihole

@@ -128,6 +128,7 @@ queryFunc() {
   done
 
   # Scan for possible wildcard matches
+  if [ -e "${wildcardlist}" ]; then
     local wildcards=($(processWildcards "${domain}"))
     for domain in ${wildcards[@]}; do
       result=$(scanList "\/${domain}\/" ${wildcardlist})
@@ -139,6 +140,7 @@ queryFunc() {
         echo ""
       fi
     done
+  fi
   exit 0
 }