Update file list

Author: kou

fiddle.gemspec

@@ -18,9 +18,38 @@ Gem::Specification.new do |spec|
   spec.homepage      = "https://github.com/ruby/fiddle"
   spec.license       = "BSD-2-Clause"
 
-  spec.files         = [".gitignore", ".travis.yml", "Gemfile", "LICENSE.txt", "README.md", "Rakefile", "bin/console", "bin/setup", "ext/fiddle/closure.c", "ext/fiddle/closure.h", "ext/fiddle/conversions.c", "ext/fiddle/conversions.h", "ext/fiddle/extconf.rb", "ext/fiddle/extlibs", "ext/fiddle/fiddle.c", "ext/fiddle/fiddle.h", "ext/fiddle/function.c", "ext/fiddle/function.h", "ext/fiddle/handle.c", "ext/fiddle/pointer.c", "ext/fiddle/win32/fficonfig.h", "ext/fiddle/win32/libffi-3.2.1-mswin.patch", "ext/fiddle/win32/libffi-config.rb", "ext/fiddle/win32/libffi.mk.tmpl", "fiddle.gemspec", "lib/fiddle.rb", "lib/fiddle/closure.rb", "lib/fiddle/cparser.rb", "lib/fiddle/function.rb", "lib/fiddle/import.rb", "lib/fiddle/pack.rb", "lib/fiddle/struct.rb", "lib/fiddle/types.rb", "lib/fiddle/value.rb"]
-  spec.bindir        = "exe"
-  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
+  spec.files         = [
+    "LICENSE.txt",
+    "README.md",
+    "Rakefile",
+    "ext/fiddle/closure.c",
+    "ext/fiddle/closure.h",
+    "ext/fiddle/conversions.c",
+    "ext/fiddle/conversions.h",
+    "ext/fiddle/extconf.rb",
+    "ext/fiddle/extlibs",
+    "ext/fiddle/fiddle.c",
+    "ext/fiddle/fiddle.h",
+    "ext/fiddle/function.c",
+    "ext/fiddle/function.h",
+    "ext/fiddle/handle.c",
+    "ext/fiddle/pointer.c",
+    "ext/fiddle/win32/fficonfig.h",
+    "ext/fiddle/win32/libffi-3.2.1-mswin.patch",
+    "ext/fiddle/win32/libffi-config.rb",
+    "ext/fiddle/win32/libffi.mk.tmpl",
+    "fiddle.gemspec",
+    "lib/fiddle.rb",
+    "lib/fiddle/closure.rb",
+    "lib/fiddle/cparser.rb",
+    "lib/fiddle/function.rb",
+    "lib/fiddle/import.rb",
+    "lib/fiddle/pack.rb",
+    "lib/fiddle/struct.rb",
+    "lib/fiddle/types.rb",
+    "lib/fiddle/value.rb",
+    "lib/fiddle/version.rb",
+  ]
   spec.require_paths = ["lib"]
   spec.extensions = ["ext/fiddle/extconf.rb"]