[dasher: 58/217] Add speach stop support to SpeechDispatcher

[Patrick Welche <pwelche src gnome org>]

commit 6e8caf740f2746938270c6e4493dd0a00d4ffc81
Author: Laetitia Baudoin <lbaudoin google com>
Date:   Tue Oct 13 05:29:58 2015 -0700

    Add speach stop support to SpeechDispatcher

 Src/Gtk2/SpeechDispatcher.cpp |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/Src/Gtk2/SpeechDispatcher.cpp b/Src/Gtk2/SpeechDispatcher.cpp
index 8b95189..81948bc 100644
--- a/Src/Gtk2/SpeechDispatcher.cpp
+++ b/Src/Gtk2/SpeechDispatcher.cpp
@@ -22,6 +22,12 @@ bool CSpeech::Init() {
 }
 
 void CSpeech::Speak(const std::string &strText, bool bInterrupt) {
-       if (Init())
+       if (!Init()) {
+               return;
+       }
+       if (!bInterrupt) {
                spd_say(m_speaker, SPD_TEXT, strText.c_str());
+       } else {
+               spd_stop(m_speaker);
+       }       
 }