Description: fix munpack fail to decode a base64 attachment
 It's a patch for a bug in Ubuntu but it also affects Debian.
Author: Jacques Beigbeder (https://launchpad.net/%7Ejacques-beigbeder/+contactuser)
Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/mpack/+bug/1535630
Last-Update: 2016-01-20
--- mpack-1.6.orig/decode.c
+++ mpack-1.6/decode.c
@@ -828,7 +828,7 @@ int ignoreMessage(struct part *inpart)
 int handleMultipart(struct part *inpart, char *contentType, params contentParams, int extractText)
 {
     char *id;
-    char *defaultContentType = "text/plain";
+    char *defaultContentType = "application/octet-stream";
     int isAppleDouble = 0;
 
     /* Components of multipart/digest have a different default content-type */