Tab-indent continuation lines in the "scan:" section of "zpool status".

All other sections use a tab, which makes them easy to parse. Only the
"scan:" section had its continuation lines indented with four spaces.
This makes them consistent with the others.

Signed-off-by: Remy Blank <remy.blank@pobox.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <ryao@gentoo.org>
Closes #3769

cmd/zpool/zpool_main.c

@@ -4131,7 +4131,7 @@ print_scan_status(pool_scan_stat_t *ps)
 	/*
 	 * do not print estimated time if hours_left is more than 30 days
 	 */
-	(void) printf(gettext("    %s scanned out of %s at %s/s"),
+	(void) printf(gettext("\t%s scanned out of %s at %s/s"),
 	    examined_buf, total_buf, rate_buf);
 	if (hours_left < (30 * 24)) {
 		(void) printf(gettext(", %lluh%um to go\n"),
@@ -4142,10 +4142,10 @@ print_scan_status(pool_scan_stat_t *ps)
 	}
 
 	if (ps->pss_func == POOL_SCAN_RESILVER) {
-		(void) printf(gettext("    %s resilvered, %.2f%% done\n"),
+		(void) printf(gettext("\t%s resilvered, %.2f%% done\n"),
 		    processed_buf, 100 * fraction_done);
 	} else if (ps->pss_func == POOL_SCAN_SCRUB) {
-		(void) printf(gettext("    %s repaired, %.2f%% done\n"),
+		(void) printf(gettext("\t%s repaired, %.2f%% done\n"),
 		    processed_buf, 100 * fraction_done);
 	}
 }