[PodTargetInstaller] Fix bundle target's build dir

Targets use since #4146 individual build directories in all cases, not only these.

lib/cocoapods/installer/target_installer/pod_target_installer.rb

@@ -177,9 +177,7 @@ module Pod
               c.build_settings['PRODUCT_NAME'] = bundle_name
               relative_info_plist_path = info_plist_path.relative_path_from(sandbox.root)
               c.build_settings['INFOPLIST_FILE'] = relative_info_plist_path.to_s
-              if target.requires_frameworks? && target.scoped?
-                c.build_settings['CONFIGURATION_BUILD_DIR'] = target.configuration_build_dir
-              end
+              c.build_settings['CONFIGURATION_BUILD_DIR'] = target.configuration_build_dir
 
               # Set the correct device family for this bundle, based on the platform
               device_family_by_platform = {

spec/unit/installer/target_installer/pod_target_installer_spec.rb

@@ -176,6 +176,12 @@ module Pod
             end
           end
 
+          it 'sets the correct build dir' do
+            @bundle_target.build_configurations.each do |bc|
+              bc.build_settings['CONFIGURATION_BUILD_DIR'].should == '$CONFIGURATION_BUILD_DIR/BananaLib-Pods-SampleProject'
+            end
+          end
+
           it 'sets the correct targeted device family for the resource bundle targets' do
             @bundle_target.build_configurations.each do |bc|
               bc.build_settings['TARGETED_DEVICE_FAMILY'].should == '1,2'