[committed] Bump BASE-VER for stage4

[Jakub Jelinek]

Hi!

We forgot to bump BASE-VER when we've entered stage4, doing it now:

2019-01-23  Jakub Jelinek  <ja...@redhat.com>

        * BASE-VER: Bump to 9.0.1.

--- gcc/BASE-VER        (revision 268183)
+++ gcc/BASE-VER        (revision 268184)
@@ -1 +1 @@
-9.0.0
+9.0.1

        Jakub