Bump sphinx config to 3.3.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168273 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/conf.py b/docs/conf.py
index a1e9b5f..919bb3b 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -47,9 +47,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '3.2'
+version = '3.3'
 # The full version, including alpha/beta/rc tags.
-release = '3.2'
+release = '3.3'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.