* m4/printf.m4 (gl_PRINTF_INFINITE_LONG_DOUBLE): Don't guess yes on
NetBSD; the test fails on NetBSD 5.0.
* doc/{glibc,posix,pastposix}-{headers,functions}/*.texi: Update info
about NetBSD.
* doc/glibc-headers/getopt.texi (getopt.h): Cygwin 1.7 getopt is
now compatible with glibc.
* doc/posix-functions/getopt.texi (getopt): Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>