mutt: Add gpg signature name. (closes #3478)

[Brendan Cully]

changeset: 6392:789501922727
user:      Kevin McCarthy <ke...@8t8.us>
date:      Tue Oct 29 18:25:52 2013 -0700
link:      http://dev.mutt.org/hg/mutt/rev/789501922727

Add gpg signature name. (closes #3478)

Some mail clients display "noname" for the gpg signature
attachment.  This patch sets the mime name to "signature.asc".

The patch is based on
http://dev.mutt.org/trac/attachment/ticket/3478/gpg_signature_name.patch
with the changes:
  - removes the configuration options
  - removes mime description

diffs (22 lines):

diff -r cd57f8893b43 -r 789501922727 crypt-gpgme.c
--- a/crypt-gpgme.c     Tue Jan 06 14:38:27 2015 -0800
+++ b/crypt-gpgme.c     Tue Oct 29 18:25:52 2013 -0700
@@ -918,6 +918,7 @@
   else
     {
       t->subtype = safe_strdup ("pgp-signature");
+      mutt_set_parameter ("name", "signature.asc", &t->parameter);
       t->use_disp = 0;
       t->disposition = DISPNONE;
       t->encoding = ENC7BIT;
diff -r cd57f8893b43 -r 789501922727 pgp.c
--- a/pgp.c     Tue Jan 06 14:38:27 2015 -0800
+++ b/pgp.c     Tue Oct 29 18:25:52 2013 -0700
@@ -1127,6 +1127,7 @@
   t->disposition = DISPNONE;
   t->encoding = ENC7BIT;
   t->unlink = 1; /* ok to remove this file after sending. */
+  mutt_set_parameter ("name", "signature.asc", &t->parameter);
 
   return (a);
 }