Open 2.13 development tree

Unfortunately I forgot to do this before applying the merge
in commit 8e383d19b44863556, so that commit will incorrectly
claim to be 2.12 even though it isn't in the official 2.12
release. Oops.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/VERSION b/VERSION
index d8b698973a..119521432e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.12.0
+2.12.50