Help: Fix version reference in 3.4 release notes

The 3.4 notes cover changes since 3.3, not 3.4.

Help: Fix version reference in 3.4 release notes
679a5d21 · Brad King · 86cc45e3 · 679a5d21
Commit 679a5d21 authored 9 years ago by Brad King
--- a/Help/release/3.4.rst
+++ b/Help/release/3.4.rst
@@ -5,7 +5,7 @@ CMake 3.4 Release Notes

  .. contents::

-Changes made since CMake 3.4 include the following.
+Changes made since CMake 3.3 include the following.

 New Features
 ============