Tidying up and removing compiler warnings.

taglibs/src/test/java/org/springframework/security/taglibs/authz/AuthorizeTagCustomGrantedAuthorityTests.java

@@ -79,7 +79,7 @@ public class AuthorizeTagCustomGrantedAuthorityTests extends TestCase {
     private static class CustomGrantedAuthority implements GrantedAuthority {
         private final String authority;
 
-        public int compareTo(Object o) {
+        public int compareTo(GrantedAuthority o) {
             return 0;
         }
 

taglibs/src/test/java/org/springframework/security/taglibs/authz/AuthorizeTagExpressionLanguageTests.java

@@ -16,7 +16,6 @@
 package org.springframework.security.taglibs.authz;
 
 import javax.servlet.jsp.JspException;
-import javax.servlet.jsp.el.ExpressionEvaluator;
 import javax.servlet.jsp.el.VariableResolver;
 import javax.servlet.jsp.tagext.Tag;