updated for version 7.3.642
Problem:    Segfault with specific autocommands.  Was OK after 7.3.449 and
            before 7.3.545. (Richard Brown)
Solution:   Pass TRUE for abort_if_last in the call to close_buffer().
            (Christian Brabandt)
diff --git a/src/version.c b/src/version.c
index 123d935..767c4c0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -720,6 +720,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    642,
+/**/
     641,
 /**/
     640,