change default tts, so it works out of the box

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@14762 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_rss/mod_rss.c

@@ -52,8 +52,8 @@ struct dtmf_buffer {
 
 #define TTS_MEAN_SPEED 170
 #define TTS_MAX_ENTRIES 99
-#define TTS_DEFAULT_ENGINE "cepstral"
-#define TTS_DEFAULT_VOICE "david"
+#define TTS_DEFAULT_ENGINE "flite"
+#define TTS_DEFAULT_VOICE "slt"
 
 #define MATCH_COUNT