Probably must check for arbitrary binary data here, too, like in the iOS app

Signed-off-by: Tor Lillqvist <tml@collabora.com>
Change-Id: Ic6834f5f5b57035831778305ece9228d14bed930

gtk/mobile.cpp

@@ -75,7 +75,7 @@ static void send2JS(const std::vector<char>& buffer)
         std::vector<char> data;
         for (int i = 0; i < buffer.size(); i++)
         {
-            if (ubufp[i] < ' ' || ubufp[i] == '\'' || ubufp[i] == '\\')
+            if (ubufp[i] < ' ' || ubufp[i] >= 0x80 || ubufp[i] == '\'' || ubufp[i] == '\\')
             {
                 data.push_back('\\');
                 data.push_back('x');