mm-uu.el: Don't dissect patch part

This fixes a bug that the patch part is broken in the article
<87inpjzhpb.fsf@users.sourceforge.net> in the bug-gnu-emacs list.

* lisp/gnus/mm-uu.el (mm-uu-dissect-text-parts):
Don't dissect patch part.

1 files changed, 2 insertions, 0 deletions

diff --git a/lisp/gnus/mm-uu.el b/lisp/gnus/mm-uu.el
index 18322ecb4d1..3455cc423d9 100644
--- a/lisp/gnus/mm-uu.el
+++ b/lisp/gnus/mm-uu.el
@@ -711,6 +711,8 @@ Assume text has been decoded if DECODED is non-nil."
                     ;; Mutt still uses application/pgp even though
                     ;; it has already been withdrawn.
                     (string-match "\\`text/\\|\\`application/pgp\\'" type)
+                    (not
+                     (string-match "\\`text/x-\\(?:diff\\|patch\\)\\'" type))
                     (equal (car (mm-handle-disposition handle))
                            "inline")
                     (setq