Added numeric header for std::accumulate. Thanks to Dave Abrahams.

Looks like Metrowerks may be better at catching this than other compilers?


[SVN r14021]

libs/multi_array

@@ -1 +1 @@
-Subproject commit 124d85c0ae51a7e89fe53a0bf15cc7ce333189d5
+Subproject commit 379054581efbcb12376eb6969ae3a5c36dd72494