ssh: channels.c: Fix comment and add a const

[Martin Vahlensieck]

Hi

channel_new no longer frees remote_name.  So update the comment
accordingly.  As remote_name is not modified, it can be const
as well.

Best,

Martin

Index: channels.c
===================================================================
RCS file: /home/reposync/cvs/src/usr.bin/ssh/channels.c,v
retrieving revision 1.418
diff -u -p -r1.418 channels.c
--- channels.c  4 May 2022 07:31:22 -0000       1.418
+++ channels.c  4 May 2022 19:02:14 -0000
@@ -349,12 +349,11 @@ channel_register_fds(struct ssh *ssh, Ch
 }
 
 /*
- * Allocate a new channel object and set its type and socket. This will cause
- * remote_name to be freed.
+ * Allocate a new channel object and set its type and socket.
  */
 Channel *
 channel_new(struct ssh *ssh, char *ctype, int type, int rfd, int wfd, int efd,
-    u_int window, u_int maxpack, int extusage, char *remote_name, int nonblock)
+    u_int window, u_int maxpack, int extusage, const char *remote_name, int 
nonblock)
 {
        struct ssh_channels *sc = ssh->chanctxt;
        u_int i, found;
Index: channels.h
===================================================================
RCS file: /home/reposync/cvs/src/usr.bin/ssh/channels.h,v
retrieving revision 1.142
diff -u -p -r1.142 channels.h
--- channels.h  30 Mar 2022 21:10:25 -0000      1.142
+++ channels.h  6 Apr 2022 20:26:56 -0000
@@ -272,7 +272,7 @@ Channel     *channel_by_id(struct ssh *, int
 Channel        *channel_by_remote_id(struct ssh *, u_int);
 Channel        *channel_lookup(struct ssh *, int);
 Channel *channel_new(struct ssh *, char *, int, int, int, int,
-           u_int, u_int, int, char *, int);
+           u_int, u_int, int, const char *, int);
 void    channel_set_fds(struct ssh *, int, int, int, int, int,
            int, int, u_int);
 void    channel_free(struct ssh *, Channel *);