need to return once found.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@4076 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/search/Search.java

@@ -28,6 +28,7 @@ public class Search {
                 if(target!=null) {
                     // found
                     rsp.sendRedirect2(a.getUrl()+target.getUrl());
+                    return;
                 }
             }
         }