Windows Nokogiri requires specifying the lib paths

Non-Windows worked correctly with only specifying
`env["NOKOGIRI_USE_SYSTEM_LIBRARIES"] = "true"` but Windows requires
more. It doesn't hurt the other systems to do this, it is just unecessary
there.

Signed-off-by: tyler-ball <tball@chef.io>

omnibus/config/software/gems.rb

@@ -78,8 +78,24 @@
   # install the whole bundle first
   bundle "install --jobs 10 --without #{excluded_groups.join(" ")}", env: env
 
+  # We want to force compilation of the Nokogiri gem, not use the
+  # precompiled binaries (-x86_64-linux).
   gem "uninstall nokogiri --all --ignore-dependencies", env: env
-  gem "install nokogiri -v 1.11.0.rc2 --platform ruby --no-document", env: env
+  gem_command = [
+    "install nokogiri",
+    "-v 1.11.0.rc2",
+    "--platform ruby",
+    "--no-document",
+    "--",
+    "--use-system-libraries",
+    "--with-xml2-lib=#{install_dir}/embedded/lib",
+    "--with-xml2-include=#{install_dir}/embedded/include/libxml2",
+    "--with-xslt-lib=#{install_dir}/embedded/lib",
+    "--with-xslt-include=#{install_dir}/embedded/include/libxslt",
+    "--without-iconv",
+    "--with-zlib-dir=#{install_dir}/embedded",
+    ]
+  gem gem_command.join(" "), env: env
 
   appbundle "chef", lockdir: project_dir, gem: "chef", without: %w{docgen chefstyle omnibus_package}, env: env