JAMES-1620 Mail size should be used rather than message size

git-svn-id: https://svn.apache.org/repos/asf/james/jsieve/trunk@1720541 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/mailet/src/main/java/org/apache/jsieve/mailet/SieveMailAdapter.java b/mailet/src/main/java/org/apache/jsieve/mailet/SieveMailAdapter.java
index af5e592..b6ae8f3 100644
--- a/mailet/src/main/java/org/apache/jsieve/mailet/SieveMailAdapter.java
+++ b/mailet/src/main/java/org/apache/jsieve/mailet/SieveMailAdapter.java
@@ -241,7 +241,7 @@
     {
         try
         {
-            return getMessage().getSize();
+            return (int) getMail().getMessageSize();
         }
         catch (MessagingException ex)
         {