Bug #244457 -> Don't show vCards as external attachments. Fixes the problem the previous patch introduced when displaying attachments as NOT inline.

mail/base/content/msgHdrViewOverlay.js

@@ -390,7 +390,9 @@ var messageHeaderSink = {
     {
       // presentation level change....don't show vcards as external attachments in the UI.
       // libmime already renders them inline.
-      if (contentType == "text/x-vcard")
+
+      var inlineAttachments = pref.getBoolPref("mail.inline_attachments");
+      if (inlineAttachments && contentType == "text/x-vcard")
         return;
 
       currentAttachments.push (new createNewAttachmentInfo(contentType, url, displayName, uri, notDownloaded));