cstyle sort of updates
7127  remove -Wno-missing-braces from Makefile.uts

@@ -68,11 +68,11 @@
     int blocks_modified, zfs_space_check_t space_check)
 {
         spa_t *spa;
         dmu_tx_t *tx;
         int err;
-        dsl_sync_task_t dst = { 0 };
+        dsl_sync_task_t dst = { .dst_error = 0 };
         dsl_pool_t *dp;
 
         err = spa_open(pool, &spa, FTAG);
         if (err != 0)
                 return (err);