- wasnt including <ostream> in alt_stream.hpp, now this is done (in compat_workarounds, since <ostream> doesnt exist in gcc-2.95's native stlport)

- cleaned gcc-2.95 workarounds : testing for STLport vs native is now consistent across headers.


[SVN r22163]

libs/format

@@ -1 +1 @@
-Subproject commit 066610a36048937c52e66c3063ade70d28d1c28d
+Subproject commit 86a7a74c832302f58a17c98499535daf32effcd7