* test/-ext-/string/test_capacity.rb: Added missing library.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53674 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Wed Jan 27 21:03:45 2016  SHIBATA Hiroshi  <hsbt@ruby-lang.org>
+
+	* test/-ext-/string/test_capacity.rb: Added missing library. 
+
 Wed Jan 27 18:53:40 2016  Martin Duerst  <duerst@it.aoyama.ac.jp>
 
 	* enc/unicode.c: Fixed bit mask in macro OnigCodePointCount

test/-ext-/string/test_capacity.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 require 'test/unit'
 require '-test-/string'
+require 'rbconfig/sizeof'
 
 class Test_StringCapacity < Test::Unit::TestCase
   def test_capacity_embeded