patch 8.1.0407: quickfix code mixes using the stack and a list pointer

Problem:    Quickfix code mixes using the stack and a list pointer.
Solution:   Use a list pointer in more places. (Yegappan Lakshmanan,
            closes #3443)
diff --git a/src/version.c b/src/version.c
index d14f0d4..9f4a0ec 100644
--- a/src/version.c
+++ b/src/version.c
@@ -795,6 +795,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    407,
+/**/
     406,
 /**/
     405,