Fix failures on CodeWarrior.

* converter_test.cpp; Fix unqualified use of floor/ceil std calls.
* converter_test.cpp & converter_policies.hpp; Fix EOLs which will fix errors on VC8 and possibly others.


[SVN r28720]

libs/numeric/conversion

@@ -1 +1 @@
-Subproject commit 5ca94ac5079fa09b2b9fc5dd67efcbe7c7fe5a34
+Subproject commit 6ff93f4a6c28a8997cf034b13df85389a161b3fa