Update version for qemu-1.5.0-rc0

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/VERSION b/VERSION
index 8fe423b..245205d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.4.50
+1.4.90