Merge r77879 from trunk.

I think it should have been merged in r78201, and was messing up the doc build
(you can see it in the content in 1.50 beta1).


[SVN r78876]

libs/fusion

@@ -1 +1 @@
-Subproject commit e03dcc7c54f92ec7fe39bd56c0fd5330ff31cd86
+Subproject commit bcb5fd9618f7bd8efbe12f1c3ecda7dc37442212