Fix elsif block

Author: jhartzler

lib/omniauth/strategies/oauth2.rb

@@ -83,9 +83,10 @@ def token_params
 
       def callback_phase # rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength, Metrics/PerceivedComplexity
         error = request.params["error_reason"] || request.params["error"]
-      elsif !options.provider_ignores_state && (request.params["state"].to_s.empty? || !secure_compare(request.params["state"], session.delete("omniauth.state")))
         elsif error
           fail!(error, CallbackError.new(request.params["error"], request.params["error_description"] || request.params["error_reason"], request.params["error_uri"]))
+        elsif !options.provider_ignores_state && (request.params["state"].to_s.empty? || !secure_compare(request.params["state"], session.delete("omniauth.state")))
+          fail!(:csrf_detected, CallbackError.new(:csrf_detected, "CSRF detected"))
         else
           self.access_token = build_access_token
           self.access_token = access_token.refresh! if access_token.expired?