updated for version 7.3.003

Problem:    Crash with specific BufWritePost autocmd. (Peter Odding)
Solution:   Don't free the quickfix title twice. (Lech Lorens)

src/quickfix.c

@@ -2125,6 +2125,7 @@ qf_free(qi, idx)
 	--qi->qf_lists[idx].qf_count;
     }
     vim_free(qi->qf_lists[idx].qf_title);
+    qi->qf_lists[idx].qf_title = NULL;
 }
 
 /*

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3,
 /**/
     2,
 /**/