updated for version 7.4.140
Problem:    Crash when wiping out buffer triggers autocommand that wipes out
            only other buffer.
Solution:   Do not delete the last buffer, make it empty. (Hirohito Higashi)
diff --git a/src/version.c b/src/version.c
index d8c0123..55b52de 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    140,
+/**/
     139,
 /**/
     138,