patch 8.0.0733: can only add entries to one list in the quickfix stack

Problem:    Can only add entries to one list in the quickfix stack.
Solution:   Move state variables from qf_list_T to qf_list_T. (Yegappan
            Lakshmanan)
diff --git a/src/version.c b/src/version.c
index 8c4923c..49092c6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    733,
+/**/
     732,
 /**/
     731,