translated slava's old example to work with the latest objc vocabs

examples/cocoa/speech.factor

@@ -0,0 +1,12 @@
+! Copyright (C) 2006 Slava Pestov
+! See http://factorcode.org/license.txt for BSD license.
+
+IN: cocoa-speech
+USING: cocoa objc objc-classes kernel ;
+
+"NSSpeechSynthesizer" f import-objc-class
+
+: say ( string -- )
+	NSSpeechSynthesizer -> alloc f -> initWithVoice: swap <NSString> -> startSpeakingString: ;
+
+"Hello from Factor" say