Index: mutt-1.5.20/mutt_ssl.c
===================================================================
--- mutt-1.5.20.orig/mutt_ssl.c
+++ mutt-1.5.20/mutt_ssl.c
@@ -652,7 +652,7 @@ static int check_host (X509 *x509cert, c
   char *buf = NULL;
   int bufsize;
   /* needed to get the DNS subjectAltNames: */
-  STACK *subj_alt_names;
+  STACK_OF(GENERAL_NAME) *subj_alt_names;
   int subj_alt_names_count;
   GENERAL_NAME *subj_alt_name;
   /* did we find a name matching hostname? */