use explicit binary encoding when binary patching

RyanKoppenhaver-NCC · RyanKoppenhaver-NCC · commit 459ad53dbc92 · 2018-01-16T13:42:32.000-08:00
prevents invalid char sequence errors in older rubies
diff --git a/lib/processor/macosx.rb b/lib/processor/macosx.rb
@@ -29,7 +29,7 @@ def tweak_install
     framework_glob = File.expand_path(FrameworkBinaryGlob, @extdir)
     framework_fn = Dir.glob(framework_glob).first
     raise "Can't find framework file at #{framework_glob} to patch" unless File.exist? framework_fn
-    framework_bin = File.read(framework_fn)
+    framework_bin = File.read(framework_fn, encoding: 'binary')
     framework_bin.sub! 'ExtensionInstallVerification', 'ExtensionInstallVerificati_1'
     framework_bin.sub! 'ExtensionInstallVerification', 'ExtensionInstallVerificati_2'
     File.write(framework_fn, framework_bin)
