return ok status code and free buffer

wled00/DDP.cpp

@@ -120,4 +120,7 @@ uint8_t realtimeBrodacast(IPAddress client, uint16_t busLength, byte *rgbwData)
 
         channel += packetSize;
     }
+
+    free(buffer);
+    return 0;
 }

wled00/DDP.h

@@ -2,3 +2,15 @@
 
 #define DDP_PUSH_FLAG 0x01
 #define DDP_TIMECODE_FLAG 0x10
+
+//
+// Send real time DDP UDP updates to the specified client
+//
+//   client - the IP address to send to
+//   busLength - the number of pixels
+//   rgbwData - a buffer of at least busLength*4 bytes long
+//
+// Returns
+//    0 - Ok
+//    1 - could not allocate buffer
+uint8_t realtimeBrodacast(IPAddress client, uint16_t busLength, byte *rgbwData);