patch 8.0.0084

Problem:    Using freed memory when adding to a quickfix list. (Domenique
            Pelle)
Solution:   Clear the directory name.

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    84,
 /**/
     83,
 /**/