This fixes attempted usage on a system using a non-GNU wget program,
such as busybox's wget.
busybox intentionally doesn't implement everything GNU wget does, and
as such lacks a few features (the entirety of POST stuff is not implemented)
that are required for using wgetpaste.
This fixes attempted usage on a system using a non-GNU wget program, such as busybox's wget. busybox intentionally doesn't implement everything GNU wget does, and as such lacks a few features (the entirety of POST stuff is not implemented) that are required for using wgetpaste.