patch 8.1.1062: quickfix code is repeated

Problem:    Quickfix code is repeated.
Solution:   Define FOR_ALL_QFL_ITEMS(). Move some code to separate functions.
            (Yegappan Lakshmanan, closes #4166)
diff --git a/src/version.c b/src/version.c
index 07b3a0c..3880b7e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -776,6 +776,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1062,
+/**/
     1061,
 /**/
     1060,