patch 7.4.2226
Problem:    The field names used by getbufinfo(), gettabinfo() and
            getwininfo() are not consistent.
Solution:   Use bufnr, winnr and tabnr. (Yegappan Lakshmanan)
diff --git a/src/version.c b/src/version.c
index f4a340e..efca575 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2226,
+/**/
     2225,
 /**/
     2224,