patch 8.2.0073: initializing globals with COMMA is clumsy

Problem:    Initializing globals with COMMA is clumsy.
Solution:   Use INIT2(), INIT3(), etc.
diff --git a/src/version.c b/src/version.c
index c8cd6f1..c8df547 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    73,
+/**/
     72,
 /**/
     71,