updated for version 7.4.281
Problem:    When a session file has more than one tabpage and 'showtabline' is
            one the positions may be slightly off.
Solution:   Set 'showtabline' to two while positioning windows.
diff --git a/src/version.c b/src/version.c
index 818a8b5..6da67a1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    281,
+/**/
     280,
 /**/
     279,