work around Metrowerks that tries to instantiate an unused static member

function and explodes on the static assert therein


[SVN r19199]

libs/random

@@ -1 +1 @@
-Subproject commit 2890227e23e4da6b8133a531d6e3dc6c63bbed23
+Subproject commit d7884c2c9d8d4f3d8837ef3646b394879608257a