Fixed potential issue where menu can render duplicate slashes. CLK-733

git-svn-id: https://svn.apache.org/repos/asf/click/trunk/click@1040077 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/extras/src/org/apache/click/extras/control/Menu.java b/extras/src/org/apache/click/extras/control/Menu.java
index 7a769fb..9ebeb86 100644
--- a/extras/src/org/apache/click/extras/control/Menu.java
+++ b/extras/src/org/apache/click/extras/control/Menu.java
@@ -1027,7 +1027,14 @@
                 // Guard against rendering "null" in the href
                 localPath = "";
             }
-            return context.getResponse().encodeURL(context.getRequest().getContextPath() + "/" + localPath);
+            StringBuilder sb = new StringBuilder();
+            String contextPath = context.getRequest().getContextPath();
+            sb.append(contextPath);
+            if (localPath.length() > 0 && localPath.charAt(0) != '/') {
+                sb.append('/');
+            }
+            sb.append(localPath);
+            return context.getResponse().encodeURL(sb.toString());
         }
     }