Fix deprecation warning in the tests.

arthurschreiber · arthurschreiber · commit 9852937519f0 · 2017-01-11T10:28:03.000+01:00
diff --git a/test/lib_test.rb b/test/lib_test.rb
@@ -14,7 +14,7 @@ def test_libgit2_version
     version = Rugged::libgit2_version
     assert_equal version.length, 3
     version.each do |i|
-      assert i.is_a? Fixnum
+      assert i.is_a? Integer
     end
   end
 
