patch 8.1.2111: viminfo file not sufficiently tested

Problem:    Viminfo file not sufficiently tested.
Solution:   Add more tests. (Yegappan Lakshmanan, closes #5009)
diff --git a/src/version.c b/src/version.c
index ee1525d..f77ecc6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2111,
+/**/
     2110,
 /**/
     2109,