Use the operator<< generator more widely.

Change-Id: Iae3b8f32f49f4c91cd41c53bbafb95db071d57bb
diff --git a/jdwpspy/Net.cpp b/jdwpspy/Net.cpp
index abcae21..55515f1 100644
--- a/jdwpspy/Net.cpp
+++ b/jdwpspy/Net.cpp
@@ -510,7 +510,7 @@
         printf("%s   --> %s\n", prefix, getCommandName(cmdSet, cmd));
     } else {
         std::ostringstream ss;
-        ss << error;
+        ss << "TODO"; // get access to the operator<<, or regenerate it for jdwpspy?
         printf("%s REPLY   dataLen=%-5u id=0x%08x flags=0x%02x err=%d (%s) [%02d:%02d]\n",
             prefix, dataLen, id, flags, error, ss.str().c_str(), min,sec);
     }