Stop grep leak in query

Fix grep error leak from #1805

Signed-off-by: Rob Gill <rrobgill@protonmail.com>

advanced/Scripts/query.sh

@@ -35,9 +35,9 @@ scanList(){
   # /dev/null forces filename to be printed when only one list has been generated
   # shellcheck disable=SC2086
   case "${type}" in
-    "exact" ) grep -i -E -l "(^|\\s)${domain}($|\\s|#)" ${lists} /dev/null;;
-    "wc"    ) grep -i -o -m 1 "/${domain}/" ${lists};;
-    *       ) grep -i "${domain}" ${lists} /dev/null;;
+    "exact" ) grep -i -E -l "(^|\\s)${domain}($|\\s|#)" ${lists} /dev/null 2>/dev/null;;
+    "wc"    ) grep -i -o -m 1 "/${domain}/" ${lists} 2>/dev/null;;
+    *       ) grep -i "${domain}" ${lists} /dev/null 2>/dev/null;;
   esac
 }