Convert C++ comments to C-style comments

#include "ct_locl.h"

// Number of seconds in the future that an SCT timestamp can be, by default,

// without being considered invalid. This is added to time() when setting a

// default value for CT_POLICY_EVAL_CTX.epoch_time_in_ms.

// It can be overridden by calling CT_POLICY_EVAL_CTX_set_time().

/*

 * Number of seconds in the future that an SCT timestamp can be, by default,

 * without being considered invalid. This is added to time() when setting a

 * default value for CT_POLICY_EVAL_CTX.epoch_time_in_ms.

 * It can be overridden by calling CT_POLICY_EVAL_CTX_set_time().

 */

static const time_t SCT_CLOCK_DRIFT_TOLERANCE = 300;

CT_POLICY_EVAL_CTX *CT_POLICY_EVAL_CTX_new(void)

        return NULL;

    }

    // time(NULL) shouldn't ever fail, so don't bother checking for -1.

    /* time(NULL) shouldn't ever fail, so don't bother checking for -1. */

    ctx->epoch_time_in_ms = (uint64_t)(time(NULL) + SCT_CLOCK_DRIFT_TOLERANCE) *

            1000;