patch 8.2.1911: tiny build fails

Problem:    Tiny build fails.
Solution:   Add #ifdef.
diff --git a/src/version.c b/src/version.c
index 04bfc7d..2137000 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1911,
+/**/
     1910,
 /**/
     1909,