Remove trailing whitespace per mdoc lint warning

Disussed with:	gavin
No objection from:	doc
Approved by:	joel
MFC after:	3 days

1 files changed, 4 insertions, 4 deletions

diff --git a/share/man/man4/ath.4 b/share/man/man4/ath.4
index 33250ac..e145853 100644
--- a/share/man/man4/ath.4
+++ b/share/man/man4/ath.4
@@ -129,14 +129,14 @@ use on cards that use a 5212 part.
 When multiple interfaces are configured each may have a separate
 mac address that is formed by setting the U/L bits in the mac
 address assigned to the underlying device.
-Any number of 
+Any number of
 .Cm wds
 virtual interfaces may be configured together with
 .Cm hostap
 interfaces.
 Multiple
 .Cm station
-interfaces may be operated together with 
+interfaces may be operated together with
 .Cm hostap
 interfaces to construct a wireless repeater device.
 The driver also support
@@ -191,7 +191,7 @@ the fxp0 (wired) device:
 .Bd -literal -offset indent
 ifconfig wlan0 create wlandev ath0 wlanmode hostap \e
 	ssid paying-customers wepmode on wepkey 0x1234567890 \e
-	mode 11a up 
+	mode 11a up
 ifconfig wlan1 create wlandev ath0 wlanmode hostap bssid \e
 	ssid freeloaders up
 ifconfig bridge0 create addm wlan0 addm wlan1 addm fxp0 up
@@ -202,7 +202,7 @@ Create a master node in a two slot TDMA BSS configured to use
 .Bd -literal -offset indent
 ifconfig wlan0 create wlandev ath0 wlanmode tdma \e
 	ssid tdma-test tmdaslot 0 tdmaslotlen 2500 \e
-	channel 36 up 
+	channel 36 up
 .Ed
 .Sh DIAGNOSTICS
 .Bl -diag