[PodTargetInstaller] Use the proper deployment target for the resource bundle targets

lib/cocoapods/installer/target_installer/pod_target_installer.rb

@@ -112,7 +112,7 @@ module Pod
             file_references = paths.map { |sf| project.reference_for_path(sf) }
             label = target.resources_bundle_target_label(bundle_name)
             bundle_target = project.new_resources_bundle(label, file_accessor.spec_consumer.platform_name)
-            bundle_target.deployment_target = target.platform.deployment_target.to_s
+            bundle_target.deployment_target = deployment_target
             bundle_target.product_reference.tap do |bundle_product|
               bundle_file_name = "#{bundle_name}.bundle"
               bundle_product.name = bundle_file_name

spec/unit/installer/target_installer/pod_target_installer_spec.rb

@@ -149,7 +149,7 @@ module Pod
           bundle_target.product_reference.name.should == 'banana_bundle.bundle'
           bundle_target.product_reference.path.should == 'banana_bundle.bundle'
           bundle_target.platform_name.should == :ios
-          bundle_target.deployment_target.should == '6.0'
+          bundle_target.deployment_target.should == '4.3'
         end
 
         it 'adds the build configurations to the resources bundle targets' do