fix 242973 mapi send with ui when body text has linebreaks, sr=mscott

git-svn-id: svn://10.0.0.236/trunk@161035 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/mailnews/compose/src/nsMsgCompose.cpp

@@ -469,6 +469,11 @@ nsMsgCompose::ConvertAndLoadComposeWindow(nsString& aPrefix,
   TranslateLineEnding(aBuf);
   TranslateLineEnding(aSignature);
 
+  // this is probably a mapi send, so we need to replace '\n' with <br>
+  // so that the line breaks won't be lost by html.
+  if (!aQuoted && aHTMLEditor)
+    aBuf.ReplaceSubstring(NS_LITERAL_STRING("\n").get(), NS_LITERAL_STRING("<br>").get());
+
   // We're going to be inserting stuff, and MsgComposeCommands
   // may have set the editor to readonly in the recycled case.
   // So set it back to writable.