Remove duplicate additionalName.
The additionalName is getting serialized twice, which the server
rejects with a 400 error.
diff --git a/src/com/google/wireless/gdata2/contacts/serializer/xml/XmlContactEntryGDataSerializer.java b/src/com/google/wireless/gdata2/contacts/serializer/xml/XmlContactEntryGDataSerializer.java
index 1421a18..2efb158 100644
--- a/src/com/google/wireless/gdata2/contacts/serializer/xml/XmlContactEntryGDataSerializer.java
+++ b/src/com/google/wireless/gdata2/contacts/serializer/xml/XmlContactEntryGDataSerializer.java
@@ -526,8 +526,6 @@
name.getAdditionalNameYomi(), XmlNametable.GD_NAME_ADDITIONALNAME);
serializeNameSubelement(serializer, name.getFamilyName(),
name.getFamilyNameYomi(), XmlNametable.GD_NAME_FAMILYNAME);
- serializeNameSubelement(serializer, name.getAdditionalName(),
- name.getAdditionalNameYomi(), XmlNametable.GD_NAME_ADDITIONALNAME);
serializeNameSubelement(serializer, name.getNamePrefix(),
null /* yomi */, XmlNametable.GD_NAME_PREFIX);
serializeNameSubelement(serializer, name.getNameSuffix(),