Restore storing native target in target

lib/cocoapods/installer/target_installer.rb

@@ -60,6 +60,8 @@ module Pod
             target.build_configurations << build_config
           end
         end
+
+        library.target = @target
       end
 
       # Creates the group that holds the references to the support files

lib/cocoapods/target.rb

@@ -57,6 +57,11 @@ module Pod
     #
     attr_accessor :user_build_configurations
 
+    # @return [PBXNativeTarget] the target generated in the Pods project for
+    #         this library.
+    #
+    attr_accessor :target
+
     #-------------------------------------------------------------------------#
 
     # @!group Support files