patch 8.2.3973: tiny build fails

Problem:    Tiny build fails.
Solution:   Adjust #ifdefs
diff --git a/src/version.c b/src/version.c
index f98cf43..1fc6dac 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3973,
+/**/
     3972,
 /**/
     3971,