Fixup example to work with https://github.com/ruby-grape/grape-with-roar.

Author: dblock

examples/splines_api.rb

@@ -1,5 +1,7 @@
 require 'hyperclient'
 
+puts "Using Hyperclient #{Hyperclient::VERSION} ..."
+
 # create a new client
 api = Hyperclient.new('https://grape-with-roar.herokuapp.com/api')
 
@@ -25,11 +27,11 @@
 # spline.to_h
 
 # create a new spline
-spline = api.splines._post(reticulated: true)
+spline = api.splines._post(spline: { reticulated: true })
 puts "Created a #{spline.reticulated ? 'reticulated' : 'unreticulated'} spline #{spline.uuid}."
 
 # update an existing spline
-spline = api.spline(uuid: 123)._put(reticulated: true)
+spline = api.spline(uuid: 123)._put(spline: { reticulated: true })
 puts "Updated spline #{spline.uuid}, now #{spline.reticulated ? 'reticulated' : 'not reticulated'}."
 
 # delete an existing spline