src/share/man/man9/altq.9 rewording

[Jared Yanovich <jjy2+@pitt.edu>]

The macro prototype is shown as:

     void
     IFQ_ENQUEUE(struct ifaltq *ifq, struct mbuf *m,
		 struct altq_pktattr *pa, int err);

and there appears to be some inconsistencies in referring to the various
arguments.

Index: altq.9
===================================================================
RCS file: /cvs/src/share/man/man9/altq.9,v
retrieving revision 1.10
diff -u -r1.10 altq.9
--- altq.9	2003/04/14 18:11:32	1.10
+++ altq.9	2004/01/24 07:08:30
@@ -78,7 +78,7 @@
 to the queue
 .Fa ifq .
 The underlying queuing discipline may discard the packet.
-.Fa error
+.Fa err
 is set to 0 on success, or
 .Dv ENOBUFS
 if the packet is discarded.
@@ -242,18 +242,22 @@
 .Fa err
 is set to
 .Dv ENOBUFS .
-.Fa mbuf
+.Fa m
 is freed by the queuing discipline.
-The caller should not touch mbuf after calling
-.Fn IFQ_ENQUEUE
-so that the caller may need to copy
+The caller should not touch 
+.Fa m
+after calling
+.Fn IFQ_ENQUEUE ,
+so the caller may need to copy the
 .Fa m_pkthdr.len
 or
 .Fa m_flags
-field beforehand for statistics.
+fields beforehand for statistics.
 The caller should not use
 .Fn senderr
-since mbuf was already freed.
+since
+.Fa m
+was already freed.
 .Pp
 The new style
 .Fn if_output