[varnishcache/varnish-cache] cccf6a: For range requests we need a strong validator

[Federico G. Schwindt]

  Branch: refs/heads/master
  Home:   https://github.com/varnishcache/varnish-cache
  Commit: cccf6a16971d1c3c122b3b09cd0dedf1fadc3ed4
      https://github.com/varnishcache/varnish-cache/commit/cccf6a16971d1c3c122b3b09cd0dedf1fadc3ed4
  Author: Federico G. Schwindt <fgsch at lodoss.net>
  Date:   2015-12-12 (Sat, 12 Dec 2015)

  Changed paths:
    M bin/varnishd/cache/cache_rfc2616.c
    M bin/varnishtest/tests/c00025.vtc

  Log Message:
  -----------
  For range requests we need a strong validator

That is, if both If-None-Match and Range are present we need to use a
strong comparison as the representation needs to be byte-for-byte
identical.