* lex.h: Use HAVE_ICONV, not HAVE_ICONV_H.
	* lex.c (java_new_lexer): Use ICONV_CONST.
	(java_read_char): Likewise.
	* Make-lang.in (jc1$(exeext)): Link against LIBICONV.
	(jv-scan$(exeext)): Likewise.

From-SVN: r44120