Doc: Cleanup whitespaces in ip-sysctl.txt

Fix up whitespaces while going though ip-sysctl.txt anyway.
Signed-off-by: NJesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Documentation/networking/ip-sysctl.txt

@@ -625,11 +625,11 @@ log_martians - BOOLEAN
 accept_redirects - BOOLEAN
 	Accept ICMP redirect messages.
 	accept_redirects for the interface will be enabled if:
-	- both conf/{all,interface}/accept_redirects are TRUE in the case forwarding
-	  for the interface is enabled
+	- both conf/{all,interface}/accept_redirects are TRUE in the case
+	  forwarding for the interface is enabled
 	or
-	- at least one of conf/{all,interface}/accept_redirects is TRUE in the case
-	  forwarding for the interface is disabled
+	- at least one of conf/{all,interface}/accept_redirects is TRUE in the
+	  case forwarding for the interface is disabled
 	accept_redirects for the interface will be disabled otherwise
 	default TRUE (host)
 		FALSE (router)
@@ -640,8 +640,8 @@ forwarding - BOOLEAN
 mc_forwarding - BOOLEAN
 	Do multicast routing. The kernel needs to be compiled with CONFIG_MROUTE
 	and a multicast routing daemon is required.
-	conf/all/mc_forwarding must also be set to TRUE to enable multicast routing
-	for the interface
+	conf/all/mc_forwarding must also be set to TRUE to enable multicast
+	routing	for the interface
 
 medium_id - INTEGER
 	Integer value used to differentiate the devices by the medium they