* cppcharset.c: Fix comment.

	(iconv_close [!HAVE_ICONV]): #define to (void)0 to prevent warning.
	(EILSEQ): #define to EINVAL if not already defined.
	(convert_using_iconv): #if out when !HAVE_ICONV.
	(init_iconv_desc): Handle !HAVE_ICONV here...
	(cpp_init_iconv): ...not here.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@69218 138bc75d-0d04-0410-961f-82ee72b054a4