Fixes bug using trace generator

CHANGELOG.md

@@ -1,3 +1,6 @@
+# 0.32.3
+* Fix bug using trace generator.
+
 # 0.32.2
 * Recover the old Trace.id logic but based not the new API. Again, for compatibility.
 

lib/zipkin-tracer/trace.rb

@@ -14,7 +14,7 @@ module Trace
   # Note that this method will always return a trace, it will
   # generate a new one if none was available.
   def id
-    ZipkinTracer::TraceGenerator.current
+    ZipkinTracer::TraceGenerator.new.current
   end
 
   def self.tracer

lib/zipkin-tracer/version.rb

@@ -1,3 +1,3 @@
 module ZipkinTracer
-  VERSION = '0.32.2'.freeze
+  VERSION = '0.32.3'.freeze
 end

spec/lib/trace_spec.rb

@@ -8,6 +8,11 @@
     allow(Trace).to receive(:trace_id_128bit).and_return(trace_id_128bit)
   end
 
+  it "id returns the next generator id" do
+    expect_any_instance_of(ZipkinTracer::TraceGenerator).to receive(:current)
+    Trace.id
+  end
+
   describe Trace::TraceId do
     let(:traceid) { '234555b04cf7e099' }
     let(:span_id) { 'c3a555b04cf7e099' }