* mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
	a char*.
	(local_mbtowc): Change the type of variable `i' from int to size_t.

	* mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
	(local_mbtowc, local_mblen, literal_codeset): Constify a char*.

From-SVN: r29827