patch 7.4.1912
Problem:    No test for using setqflist() on an older quickfix list.
Solution:   Add a couple of tests.
diff --git a/src/version.c b/src/version.c
index 42e1787..9fdd93f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1912,
+/**/
     1911,
 /**/
     1910,