[nq] Fix incorrect handling of argv in PF_WriteBytes

This fixes an illegible server message error on going through a teleport
in the start map (how I noticed the problem). Funnily enough, I had
spotted the mistake when editing the qw version, but forgot to correct
the nq version.

nq/source/sv_pr_cmds.c

@@ -1139,7 +1139,7 @@ PF_WriteBytes (progs_t *pr, void *data)
 		}
 	}
 	for (i = 0; i < argc; i++) {
-		p = PR_PTR (float, &argv[i]);
+		p = PR_PTR (float, argv[i]);
 		MSG_WriteByte (msg, p);
 	}
 }