Filter ows_MetaInfo

ows_MetaInfo only duplicates content available elsewhere.

Surprisingly this didn't need any change to our tests, because all our
test data didn't have extra data in MetaInfo and so it was already being
filtered.
diff --git a/src/com/google/enterprise/adaptor/sharepoint/SharePointAdaptor.java b/src/com/google/enterprise/adaptor/sharepoint/SharePointAdaptor.java
index f8ef371..23bbfea 100644
--- a/src/com/google/enterprise/adaptor/sharepoint/SharePointAdaptor.java
+++ b/src/com/google/enterprise/adaptor/sharepoint/SharePointAdaptor.java
@@ -1165,6 +1165,11 @@
 
     private long addMetadata(Response response, String name, String value) {
       long size = 0;
+      if ("ows_MetaInfo".equals(name)) {
+        // ows_MetaInfo is parsed out into other fields for us by SharePoint.
+        // We filter it since it only duplicates those other fields.
+        return 0;
+      }
       if (name.startsWith("ows_")) {
         name = name.substring("ows_".length());
       }