sso_string_base.h (__sso_string_base<>::_M_swap): Change the various traits_type::copy call to always copy the entire local buffer...

2005-11-03  Paolo Carlini  <pcarlini@suse.de>

	* include/ext/sso_string_base.h (__sso_string_base<>::_M_swap):
	Change the various traits_type::copy call to always copy the
	entire local buffer; return early and don't do a full swap on
	the lengths for two common cases; change two _S_copy to plain
	traits_type::copy.

From-SVN: r106431