cp-demangle.c (d_demangle): If DMGL_PARAMS is not set, don't expect that we've read the entire string.

	* cp-demangle.c (d_demangle): If DMGL_PARAMS is not set, don't
	expect that we've read the entire string.
	(is_ctor_or_dtor): Don't expect that we've read the entire
	string--reverse patch of 2003-11-29.

From-SVN: r74651