Support /etc/hosts in Mastodon patch

support-etc-hosts.patch

diff --git a/app/lib/request.rb b/app/lib/request.rb
index 8d4120868..e640fadd2 100644
--- a/app/lib/request.rb
+++ b/app/lib/request.rb
@@ -261,11 +261,7 @@ class Request
         begin
           addresses = [IPAddr.new(host)]
         rescue IPAddr::InvalidAddressError
-          Resolv::DNS.open do |dns|
-            dns.timeouts = 5
-            addresses = dns.getaddresses(host)
-            addresses = addresses.filter { |addr| addr.is_a?(Resolv::IPv6) }.take(2) + addresses.filter { |addr| !addr.is_a?(Resolv::IPv6) }.take(2)
-          end
+          addresses = Resolv::getaddresses(host)
         end

         socks = []