* nscd/selinux.c (preserve_capabilities): Initialize new_caps

* nscd/selinux.c (preserve_capabilities): Initialize new_caps

	to avoid warning.
	* iconv/gconv_open.c (__gconv_open): Initialize ptr to avoid
	warning.
	* nis/nis_subr.c (nis_getnames): Initialize saveptr to avoid
	warning.
	* resolv/inet_ntop.c (inet_ntop6): Initialize best.len and cur.len
	to avoid warnings.