libstdc++/3209: strstream fails because _STL_BEGIN_NAMESPACE is undefined

[aoliva@gcc.gnu.org]

Synopsis: strstream fails because _STL_BEGIN_NAMESPACE is undefined

State-Changed-From-To: open->closed
State-Changed-By: aoliva
State-Changed-When: Sun Jun 17 13:30:59 2001
State-Changed-Why:
    Reported had headers left over from a previous installation.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=3209&database=gcc