merge revision(s) r47590: [Backport #10241]

	* ext/fiddle/lib/fiddle/import.rb (Fiddle::Importer#sizeof): fix typo,
	  SIZEOF_LONG_LON.  [Fix GH-714]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@47595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e