patch 8.2.4004: old compiler complains about struct init with variable

Problem:    Old compiler complains about struct init with variable.
Solution:   Set the struct member later. (John Marriott)
diff --git a/src/version.c b/src/version.c
index f657caa..a7ffa77 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4004,
+/**/
     4003,
 /**/
     4002,