updated for version 7.3.1269

Problem:    Insert completion keeps entry selected even though the list has
            changed. (Olivier Teuliere)
Solution:   Reset compl_shown_match and compl_curr_match. (Christian Brabandt)

src/edit.c

@@ -3467,6 +3467,7 @@ ins_compl_new_leader()
     }
 
     compl_enter_selects = !compl_used_match;
+    compl_shown_match = compl_curr_match = compl_first_match;
 
     /* Show the popup menu with a different set of matches. */
     ins_compl_show_pum();