Use boost::detail::lower_bound, which is actually guaranteed to work

with heterogeneous comparisons.  C++98 binary searches are not, and
VC++ 8.0 beta rejects the code using std::lower_bound.


[SVN r24063]

libs/test

@@ -1 +1 @@
-Subproject commit 531bb31b57a2de5fd8d6624a26e651b22ae6d8bb
+Subproject commit c21204608bf35ec99235140546200e14d11a0b2f