u3g.4:

- remove self-reference in SEE ALSO section (originally was to s/XR/Xr)

cxgbe.4:
- remove blank line
- add closing .El

Reported by:	manlint
MFC after:	3 days

share/man/man4/cxgbe.4

@@ -60,7 +60,6 @@ The driver supprts Jumbo Frames, Transmit/Receive checksum offload,
 TCP segmentation offload (TSO), Large Receive Offload (LRO), VLAN
 tag insertion/extraction, VLAN checksum offload, VLAN TSO, and
 Receive Side Steering (RSS).
-
 For further hardware information and questions related to hardware
 requirements, see
 .Pa http://www.chelsio.com/ .
@@ -139,6 +138,7 @@ The default value is 1024.
 The size, in number of entries, of the descriptor ring used for an
 rx queue.
 The default value is 1024.
+.El
 .Sh SUPPORT
 For general information and support,
 go to the Chelsio support website at:

share/man/man4/u3g.4

@@ -93,7 +93,6 @@ and
 .Sh SEE ALSO
 .Xr tty 4 ,
 .Xr ucom 4 ,
-.XR u3g 4 ,
 .Xr usb 4 ,
 .Xr usb_quirk 4 ,
 .Xr usbconfig 5