build-sys: update ALTLinux support

Please apply patch for update ALTLinux support.
diff --git a/units/getty@.service.m4 b/units/getty@.service.m4
index a016ba2..d282912 100644
--- a/units/getty@.service.m4
+++ b/units/getty@.service.m4
@@ -18,6 +18,9 @@
 m4_ifdef(`TARGET_FRUGALWARE',
 After=local.service
 )m4_dnl
+m4_ifdef(`TARGET_ALTLINUX',
+After=rc-local.service
+)m4_dnl
 
 # If additional gettys are spawned during boot then we should make
 # sure that this is synchronized before getty.target, even though