libstdc++ libtool lossage

[David Edelsohn]

>>>>> Richard Henderson writes:

Richard> I think this was done the way it was due to issues similar to
Richard> what came up with pa-linux recently.  So installing this may
Richard> break something, but I can't remember what.

Richard> I guess we have no real choice but to unbreak AIX by installing
Richard> this then address the fallout on a case-by-case basis.

	Thanks!  I think that anything affected by this change already
would have been affected by the earlier -shared change.  Also, this change
is consistent with the design for shared libgcc.

David