Test for hashing 1+epsilon, following recent boost-dev comments on Darwin

gcc-4.0's long double.


[SVN r31907]

libs/functional

@@ -1 +1 @@
-Subproject commit 96916fefda8f3418e6c871eb1011dab520c630de
+Subproject commit f14a00699ca7a02028e85fb11638ff5f4a344dd7