remove two warnings

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10353 ec53bebd-3082-4978-b11e-865c3cabbd6b

appl/telnet/telnetd/utility.c

@@ -54,8 +54,6 @@ RCSID("$Id$");
 int
 ttloop(void)
 {
-    void netflush(void);
-    
     DIAG(TD_REPORT, {
 	output_data("td: ttloop\r\n");
     });
@@ -238,6 +236,8 @@ netclear(void)
 	neturg = 0;
 }  /* end of netclear */
 
+extern int not42;
+
 /*
  *  netflush
  *		Send as much data as possible to the network,
@@ -247,7 +247,6 @@ void
 netflush(void)
 {
     int n;
-    extern int not42;
 
     if ((n = nfrontp - nbackp) > 0) {
 	DIAG(TD_REPORT,