Updates version number to 0.4.219536351.20181031.

Significant changes:
- Fixed error when building *_library targets.

PiperOrigin-RevId: 219556880
diff --git a/version.bzl b/version.bzl
index a177494..d34946c 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 = "218535746"
+TULSI_VERSION_FIXLEVEL = "219536351"
 
-TULSI_VERSION_DATE = "20181024"
+TULSI_VERSION_DATE = "20181031"
 
 TULSI_VERSION_COPYRIGHT = "2015-2018"