patch 9.0.1721: Build failure on Windows with dynamic lua

Problem: Build failure on Windows with dynamic lua (after 9.0.1719)
Solution: move definition further down in if_lua

closes: #12811
closes: #12814
closes: #12818

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
diff --git a/src/version.c b/src/version.c
index ae9bc87..c4098c2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1721,
+/**/
     1720,
 /**/
     1719,