Bela

This should do it, just make sure it does not cause issues with non-broadcast sockets.

diff -r 381f352c44eb core/UdpClient.cpp
--- a/core/UdpClient.cpp    Wed May 11 10:29:23 2016 +0100
+++ b/core/UdpClient.cpp    Sat May 14 21:02:45 2016 +0100
@@ -8,6 +8,9 @@

     UdpClient::UdpClient(){
         outSocket=socket(AF_INET, SOCK_DGRAM, 0);
+        int broadcastEnable = 1;
+        int ret = setsockopt(outSocket, SOL_SOCKET, SO_BROADCAST, &broadcastEnable, sizeof(broadcastEnable));
+        printf("setsockopt returned %d\n", ret);
         isSetPort=false;
         isSetServer=false;
         enabled=false;
@@ -74,4 +77,4 @@
     stTimeOut.tv_usec=(int)(timeOutSecs*1000000);
     int descriptorReady= select(outSocket+1, NULL, &stWriteFDS, NULL, &stTimeOut);
     return descriptorReady>0? 1 : descriptorReady;
-  }
\ No newline at end of file
+  }