updated for version 7.4.637
Problem:    Incorrectly read the number of buffer for which an autocommand
            should be registered.
Solution:   Reverse check for "<buffer=abuf>". (Lech Lorens)
diff --git a/src/version.c b/src/version.c
index 226386a..207ac12 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    637,
+/**/
     636,
 /**/
     635,