Call warn_if_newer_patch after download_dependency
Call warn_if_newer_patch after download_dependency

[#134863437]

Signed-off-by: Anna Thornton <0e9b4a17e1cf85a71a11118ecdbc866e5f8ffc65@pivotal.io>

ekaranto/rails4-bluemix-buildpack,jumptvs/BP_Ruby,cloudfoundry/ruby-buildpack,cloudfoundry/ruby-buildpack,ekaranto/rails4-bluemix-buildpack,cloudfoundry/ruby-buildpack,jumptvs/BP_Ruby,ekaranto/rails4-bluemix-buildpack,cloudfoundry/ruby-buildpack,cloudfoundry/ruby-buildpack,jumptvs/BP_Ruby,ekaranto/rails4-bluemix-buildpack,jumptvs/BP_Ruby