3742 zfs comments need cleaner, more consistent style
Submitted by:   Will Andrews <willa@spectralogic.com>
Submitted by:   Alan Somers <alans@spectralogic.com>
Reviewed by:    Matthew Ahrens <mahrens@delphix.com>
Reviewed by:    George Wilson <george.wilson@delphix.com>
Reviewed by:    Eric Schrock <eric.schrock@delphix.com>

@@ -237,11 +237,11 @@
         uint64_t        spa_sync_starttime;     /* starting time fo spa_sync */
         uint64_t        spa_deadman_synctime;   /* deadman expiration timer */
         kmutex_t        spa_iokstat_lock;       /* protects spa_iokstat_* */
         struct kstat    *spa_iokstat;           /* kstat of io to this pool */
         /*
-         * spa_refcnt & spa_config_lock must be the last elements
+         * spa_refcount & spa_config_lock must be the last elements
          * because refcount_t changes size based on compilation options.
          * In order for the MDB module to function correctly, the other
          * fields must remain in the same location.
          */
         spa_config_lock_t spa_config_lock[SCL_LOCKS]; /* config changes */