[PATCH iproute2] ip: bridge_slave: Fix help message indentation

[Ido Schimmel <idosch@nvidia.com>]

Use tabs instead of spaces to be consistent with the rest of the
options.

Before:

$ ip link help bridge_slave
Usage: ... bridge_slave [ fdb_flush ]
[...]
                        [ vlan_tunnel {on | off} ]
                        [ isolated {on | off} ]
                        [ locked {on | off} ]
                       [ mab {on | off} ]
                        [ backup_port DEVICE ] [ nobackup_port ]

After:

$ ip link help bridge_slave
Usage: ... bridge_slave [ fdb_flush ]
[...]
                        [ vlan_tunnel {on | off} ]
                        [ isolated {on | off} ]
                        [ locked {on | off} ]
                        [ mab {on | off} ]
                        [ backup_port DEVICE ] [ nobackup_port ]

Fixes: 05f1164fe811 ("bridge: link: Add MAC Authentication Bypass (MAB) support")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
---
 ip/iplink_bridge_slave.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ip/iplink_bridge_slave.c b/ip/iplink_bridge_slave.c
index 43b429485502..66a67961957f 100644
--- a/ip/iplink_bridge_slave.c
+++ b/ip/iplink_bridge_slave.c
@@ -40,7 +40,7 @@ static void print_explain(FILE *f)
 		"			[ vlan_tunnel {on | off} ]\n"
 		"			[ isolated {on | off} ]\n"
 		"			[ locked {on | off} ]\n"
-		"                       [ mab {on | off} ]\n"
+		"			[ mab {on | off} ]\n"
 		"			[ backup_port DEVICE ] [ nobackup_port ]\n"
 	);
 }
-- 
2.37.3