Updated: setup (2.882)

[Jon Turney]

A new version of Setup, release 2.882, has been uploaded to

   https://cygwin.com/setup-x86.exe     (32 bit version)
   https://cygwin.com/setup-x86_64.exe  (64 bit version)

Changes compared to 2.881:

- Fix setup going into an infinite loop if a replace-on-reboot file was 
needed and couldn't or shouldn't be written.
   (Addresses: https://cygwin.com/ml/cygwin/2017-10/msg00090.html)
- Fix warnings when building with gcc 6
- Add OS bitness and version to default user-agent string

Please send bug reports, as usual, to the public mailing list cygwin AT
cygwin DOT com.