iproute2: fix man page whitespace

Signed-off-by: Vlad Dogaru <ddvlad@rosedu.org>

man/man8/ip.8

@@ -42,7 +42,7 @@ ip \- show / manipulate routing, devices, policy routing and tunnels
 .RB "[ " mtu
 .IR MTU " ]"
 .br
-.BR type TYPE
+.BR type " TYPE"
 .RI "[ " ARGS " ]"
 
 .ti -8
@@ -51,7 +51,7 @@ ip \- show / manipulate routing, devices, policy routing and tunnels
 
 .ti -8
 .BI "ip link delete " DEVICE
-.BI type TYPE
+.BI type " TYPE"
 .RI "[ " ARGS " ]"
 
 .ti -8