3748 zfs headers should be C++ compatible
Submitted by:   Justin Gibbs <justing@spectralogic.com>
Submitted by:   Will Andrews <willa@spectralogic.com>
Reviewed by:    Matthew Ahrens <mahrens@delphix.com>

*** 224,234 ****
  void dsl_dataset_fast_stat(dsl_dataset_t *ds, dmu_objset_stats_t *stat);
  void dsl_dataset_space(dsl_dataset_t *ds,
      uint64_t *refdbytesp, uint64_t *availbytesp,
      uint64_t *usedobjsp, uint64_t *availobjsp);
  uint64_t dsl_dataset_fsid_guid(dsl_dataset_t *ds);
! int dsl_dataset_space_written(dsl_dataset_t *oldsnap, dsl_dataset_t *new,
      uint64_t *usedp, uint64_t *compp, uint64_t *uncompp);
  int dsl_dataset_space_wouldfree(dsl_dataset_t *firstsnap, dsl_dataset_t *last,
      uint64_t *usedp, uint64_t *compp, uint64_t *uncompp);
  boolean_t dsl_dataset_is_dirty(dsl_dataset_t *ds);
  
--- 224,234 ----
  void dsl_dataset_fast_stat(dsl_dataset_t *ds, dmu_objset_stats_t *stat);
  void dsl_dataset_space(dsl_dataset_t *ds,
      uint64_t *refdbytesp, uint64_t *availbytesp,
      uint64_t *usedobjsp, uint64_t *availobjsp);
  uint64_t dsl_dataset_fsid_guid(dsl_dataset_t *ds);
! int dsl_dataset_space_written(dsl_dataset_t *oldsnap, dsl_dataset_t *newds,
      uint64_t *usedp, uint64_t *compp, uint64_t *uncompp);
  int dsl_dataset_space_wouldfree(dsl_dataset_t *firstsnap, dsl_dataset_t *last,
      uint64_t *usedp, uint64_t *compp, uint64_t *uncompp);
  boolean_t dsl_dataset_is_dirty(dsl_dataset_t *ds);