Should be able to forward a message with no additional content.

Change-Id: I6eccf2f2436303a0359027d3efd3763306f9f657
diff --git a/src/com/android/email/provider/EmailProvider.java b/src/com/android/email/provider/EmailProvider.java
index f12237c..f738b0e 100644
--- a/src/com/android/email/provider/EmailProvider.java
+++ b/src/com/android/email/provider/EmailProvider.java
@@ -3304,7 +3304,7 @@
         }
         msg.mDraftInfo = draftInfo;
         String ref = values.getAsString(UIProvider.MessageColumns.REF_MESSAGE_ID);
-        if (ref != null && msg.mQuotedTextStartPos > 0) {
+        if (ref != null && msg.mQuotedTextStartPos >= 0) {
             String refId = Uri.parse(ref).getLastPathSegment();
             try {
                 long sourceKey = Long.parseLong(refId);