Fixed JWT decode nill issue

Author: Jenks Guo

lib/omniauth/strategies/xero_oauth2.rb

@@ -52,7 +52,7 @@ def raw_info
             'email' => '',
           }
         else
-          decoded_info ||= JWT.decode @id_token, nil, false
+          decoded_info ||= JWT.decode access_token['id_token'], nil, false
           @raw_info ||= decoded_info[0]
         end
       end

lib/xero-oauth2/version.rb

@@ -1,5 +1,5 @@
 module OmniAuth
   module XeroOauth2
-    VERSION = '0.9.2'
+    VERSION = '0.9.3'
   end
 end

omniauth-xero-oauth2.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name        = 'omniauth-xero-oauth2'
-  s.version     = '0.9.2'
+  s.version     = '0.9.3'
   s.licenses    = ['MIT']
   s.summary     = 'OAuth2 Omniauth strategy for Xero.'
   s.description = 'OAuth2 Omniauth straetgy for Xero API.'