to_type convert :undef into string

mks-m · mks-m · commit 614426fcbf88 · 2015-02-27T11:21:53.000+01:00
diff --git a/lib/puppet_x/sensu/to_type.rb b/lib/puppet_x/sensu/to_type.rb
@@ -14,6 +14,8 @@ def to_type(value)
             true
           when false, 'false', 'False', :false
             false
+          when :undef
+            'undef'
           when /^([0-9])+$/
             value.to_i
           else
