Void linux specific patch: do not clear screen in getty.

--- units/getty@.service.m4.orig	2012-07-04 10:08:18.927098064 +0200
+++ units/getty@.service.m4	2012-07-04 10:08:54.749229771 +0200
@@ -50,7 +50,7 @@ UtmpIdentifier=%I
 TTYPath=/dev/%I
 TTYReset=yes
 TTYVHangup=yes
-TTYVTDisallocate=yes
+#TTYVTDisallocate=yes
 KillMode=process
 IgnoreSIGPIPE=no