[gmime] Updated README.md

[Jeffrey Stedfast <fejj src gnome org>]

commit 0354369e269db411cae60ee04399c84ebc9df267
Author: Jeffrey Stedfast <jestedfa microsoft com>
Date:   Fri Mar 3 16:24:50 2017 -0500

    Updated README.md

 README.md |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/README.md b/README.md
index a886bf7..9a77348 100644
--- a/README.md
+++ b/README.md
@@ -117,6 +117,8 @@ while (!g_mime_parser_eos (parser)) {
     offset = g_mime_parser_get_from_offset (parser);
     marker = g_mime_parser_get_from (parser);
 }
+
+g_object_unref (parser);
 ```
 
 ### Getting the Body of a Message