Accept any version 3 of the Servlet API

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk/webconsole-plugins/memoryusage@1345241 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index f906ce5..b9811fb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -110,7 +110,7 @@
 
                             <!-- plug into the web console -->
                             javax.servlet;
-                            javax.servlet.http;version="[2.3,3)",
+                            javax.servlet.http;version="[2.3,4)",
                             org.apache.felix.webconsole;version="[3.0,3.2)",
 
                             <!-- plug into the traditional Felix shell -->