[pkg-gnupg-maint] Bug#888025: gpgsm: UI asks insane, unanswerable trust questions

[Judit Foglszinger]

Also noticed a modal messagebox popping up regularly when having kmail running.
Below is a workaround that simply always answers the question with no instead of asking.

--- gnupg2-2.2.43.orig/agent/trustlist.c
+++ gnupg2-2.2.43/agent/trustlist.c
@@ -687,6 +687,9 @@ agent_marktrusted (ctrl_t ctrl, const ch
   if (!nameformatted)
     return gpg_error_from_syserror ();
 
+  // We do not trust this. Do not show that dialog.
+  return gpg_error (GPG_ERR_NOT_TRUSTED);
+
   /* First a general question whether this is trusted.  */
   desc = xtryasprintf (
                 /* TRANSLATORS: This prompt is shown by the Pinentry