* nss/nsswitch.c (__nss_lookup_function): Don't cast &ni->known to

* nss/nsswitch.c (__nss_lookup_function): Don't cast &ni->known to

	void **.
	* nss/nsswitch.h (service_user): Use void * type for KNOWN field.

	* nss/nss_files/files-hosts.c (LINE_PARSER): Cast host_addr to
	char * to avoid warning.
	* nis/nss_nis/nis-hosts.c (LINE_PARSER): Likewise.

	* timezone/Makefile (CFLAGS-zdump.c): Add -fwrapv.

	* locale/programs/ld-ctype.c (ctype_finish, set_class_defaults,
	allocate_arrays): Cast second argument to charmap_find_symbol
	to char * to avoid warnings.

	* locale/programs/repertoire.c (repertoire_new_char): Change
	from_nr, to_nr and cnt to unsigned long, adjust printf format
	string.

	* locale/programs/ld-collate.c (insert_value, handle_ellipsis):
	Cast second argument to new_element to char * to avoid warnings.

	* locale/weightwc.h (findidx): Cast &extra[-i] to const int32_t *.

	* intl/gettextP.h (struct loaded_domain): Change plural to const
	struct expression *.
	* intl/plural-eval.c (plural_eval): Change first argument to
	const struct expression *.
	* intl/plural-exp.c (EXTRACT_PLURAL_EXPRESSION): Change first
	argument to const struct expression **.
	* intl/plural-exp.h (EXTRACT_PLURAL_EXPRESSION, plural_eval): Adjust
	prototypes.
	* intl/loadmsgcat (_nl_unload_domain): Cast away const
	in call to __gettext_free_exp.

	* posix/fnmatch.c (fnmatch): Rearrange code to avoid maybe
	unitialized wstring/wpattern var warnings.

	* posix/runtests.c (struct a_test): Make data field const char *.

	* stdio-common/tst-sprintf2.c (main): Don't declere u, v and buf
	vars if not LDBL_MANT_DIG >= 106.

	* stdio-common/Makefile (CFLAGS-vfwprintf.c): Add -Wno-unitialized.

	* stdio-common/vfprintf.c (vfprintf): Cast first arugment to
	__find_specmb to avoid warning.

	* rt/tst-mqueue1.c (do_one_test): Add casts to avoid warnings.

	* debug/test-strcpy_chk.c (do_tests, do_random_tests): Add casts
	to avoid warnings.

	* sysdeps/ieee754/ldbl-96/s_roundl.c (huge): Add L suffix to
	initializer.

	* sysdeps/unix/clock_gettime.c (clock_gettime): Only define
	tv var when it will be actually used.

	* sunrpc/rpc_cmsg.c (xdr_callmsg): Cast IXDR_PUT_* to void
	to avoid warnings.