SEC-833: Fixed login-failure-url in contacts sample app.

samples/contacts/src/main/webapp/WEB-INF/applicationContext-security.xml

@@ -24,7 +24,7 @@
         <intercept-url pattern="/j_spring_security_switch_user" access="ROLE_SUPERVISOR"/>
         <intercept-url pattern="/**" access="ROLE_USER"/>
 
-        <form-login login-page="/login.jsp" authentication-failure-url="/acegilogin.jsp?login_error=1"/>
+        <form-login login-page="/login.jsp" authentication-failure-url="/login.jsp?login_error=1"/>
         <logout logout-success-url="/index.jsp"/>
     </http>