[boost] [io_state_savers] warnings

From: Steven Watanabe (steven_at_[hidden])
Date: 2007-04-14 21:06:41

AMDG

Because the io_state_savers hold a reference to the ios_base, msvc gives me
warning 4512 assignment operator could not be generated.  Please either 
declare
an assignment operator, use pointers instead of references, or 
explicitly suppress
this warning.

In Christ,
Steven Watanabe