Switch to bzip2 1.0.5.
diff --git a/Misc/NEWS b/Misc/NEWS
index 32516e2..5d5883f 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -307,7 +307,7 @@
 Build
 -----
 
-- The Windows installer now includes Tk 8.5.
+- The Windows installer now includes Tk 8.5 and bzip2 1.0.5.
 
 - Patch #1722225: Support QNX 6.