message: action: fix rounding
diff: #include "dronecode_sdk_impl.h"
  #include "global_include.h"
  #include "px4_custom_mode.h"
  +#include <cmath>
  namespace dronecode_sdk {
  @@ -158,8 +159,8 @@ Action::Result ActionImpl::goto_location(double latitude_deg,
  command.command = MAV_CMD_DO_REPOSITION;
  command.target_component_id = _parent->get_autopilot_id();
  command.params.param4 = to_rad_from_deg(yaw_deg);
  - command.params.x = (int32_t)(latitude_deg * 1E7);
  - command.params.y = (int32_t)(longitude_deg * 1E7);
  + command.params.x = int32_t(std::round(latitude_deg * 1e7));
  + command.params.y = int32_t(std::round(longitude_deg * 1e7));
  command.params.z = altitude_amsl_m;
  return action_result_from_command_result(_parent->send_command(command));
  