patch 7.4.1567
Problem:    Crash in assert_fails().
Solution:   Check for NULL. (Dominique Pelle)  Add a test.
diff --git a/src/version.c b/src/version.c
index e4004f8..eecbfe1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -744,6 +744,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1567,
+/**/
     1566,
 /**/
     1565,