Fix non-compilable example in mvc ref doc

Issue: SPR-7750

Author: cbeams

spring-framework-reference/src/mvc.xml

@@ -1895,7 +1895,7 @@ public class TimeBasedAccessInterceptor extends HandlerInterceptorAdapter {
 
         Calendar cal = Calendar.getInstance();
         int hour = cal.get(HOUR_OF_DAY);
-        if (openingTime <= hour < closingTime) {
+        if (openingTime <= hour && hour < closingTime) {
             return true;
         } else {
             response.sendRedirect("http://host.com/outsideOfficeHours.html");