Updates version number to 0.4.239647554.20190321.

PiperOrigin-RevId: 239652666
diff --git a/version.bzl b/version.bzl
index f6a3095..beeac9e 100644
--- a/version.bzl
+++ b/version.bzl
@@ -4,9 +4,9 @@
 # Version number (recorded into the Info.plist)
 TULSI_VERSION_MAJOR = "0"
 
-TULSI_VERSION_FIXLEVEL = "237327622"
+TULSI_VERSION_FIXLEVEL = "239647554"
 
-TULSI_VERSION_DATE = "20190308"
+TULSI_VERSION_DATE = "20190321"
 
 TULSI_VERSION_COPYRIGHT = "2015-2018"