Bug#611410: Acknowledgement (implicit_autoview borken in 1.5.21)

[Loïc Minier]

 patch attached

-- 
Loïc Minier

--- a/muttlib.c
+++ b/muttlib.c
@@ -658,6 +658,9 @@
   switch (m->type)
   {
     case TYPETEXT:
+      if (!ascii_strcasecmp ("html", m->subtype))
+       return 1;
+
       /* we can display any text, overridable by auto_view */
       return 0;
       break;