updated for version 7.4.641
Problem:    The tabline menu was using ":999tabnew" which is now invalid.
Solution:   Use ":$tabnew" instead. (Florian Degner)
diff --git a/src/version.c b/src/version.c
index 3365c80..34c6959 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    641,
+/**/
     640,
 /**/
     639,