patch 7.4.2020
Problem:    Can't build without +autocmd feature.
Solution:   Adjust #ifdefs.
diff --git a/src/version.c b/src/version.c
index 8013b45..ebaef41 100644
--- a/src/version.c
+++ b/src/version.c
@@ -759,6 +759,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2020,
+/**/
     2019,
 /**/
     2018,