Merged revisions 46651 via svnmerge from

https://svn.boost.org/svn/boost/trunk

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  r46651 | eric_niebler | 2008-06-24 08:40:19 -0700 (Tue, 24 Jun 2008) | 1 line
  
  make immediate the default implementation for variance and weighted_variance
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[SVN r46654]

libs/accumulators

@@ -1 +1 @@
-Subproject commit e26cb38e06e0af2ef59f0b9d533074cab75c1f5e
+Subproject commit 328621645bddec03a7b57b4bf132ae55eb107493