message: Fix for getspecialtxes RPC call
diff: @@ -137,6 +137,10 @@ static const CRPCConvertParam vRPCConvertParams[] =
  { "getaddressdeltas", 0},
  { "getaddressutxos", 0},
  { "getaddressmempool", 0},
  + { "getspecialtxes", 1, "type" },
  + { "getspecialtxes", 2, "count" },
  + { "getspecialtxes", 3, "skip" },
  + { "getspecialtxes", 4, "verbosity" },
  // Echo with conversion (For testing only)
  { "echojson", 0, "arg0" },
  { "echojson", 1, "arg1" },
  