am 2e9cef06: fix NPE

* commit '2e9cef068501643d82bb4eca20aedaea79ccc600':
  fix NPE
diff --git a/src/com/android/mail/ui/SecureConversationViewFragment.java b/src/com/android/mail/ui/SecureConversationViewFragment.java
index bd88816..eebec55 100644
--- a/src/com/android/mail/ui/SecureConversationViewFragment.java
+++ b/src/com/android/mail/ui/SecureConversationViewFragment.java
@@ -98,7 +98,6 @@
         mConversationHeaderView.setSubject(mConversation.subject);
         mMessageHeaderView.initialize(mDateBuilder, this, mAddressCache);
         mMessageHeaderView.setExpandMode(MessageHeaderView.POPUP_MODE);
-        mMessageHeaderView.setMessageDetailsVisibility(View.VISIBLE);
         mMessageHeaderView.setContactInfoSource(getContactInfoSource());
         mMessageHeaderView.setCallbacks(this);
         mMessageHeaderView.setExpandable(false);