Noticed comment field when splitting guests wasn't being cleared.

The address field was being cleared twice instead of address and comment being cleared.
diff --git a/core/java/android/text/util/Rfc822Tokenizer.java b/core/java/android/text/util/Rfc822Tokenizer.java
index 69d745d..952d833 100644
--- a/core/java/android/text/util/Rfc822Tokenizer.java
+++ b/core/java/android/text/util/Rfc822Tokenizer.java
@@ -74,7 +74,7 @@
 
                 name.setLength(0);
                 address.setLength(0);
-                address.setLength(0);
+                comment.setLength(0);
             } else if (c == '"') {
                 i++;