Environment handling on GNO

*Initialize environ on startup
*Separate child process environment from parent

telnetd/sys_term.c

@@ -928,6 +928,9 @@ cleanopen(char *li)
 static void 
 slaveproc(char *host, int autologin, char *autoname)
 {
+#ifdef __GNO__
+    environPush();
+#endif
 	getptyslave();
 	start_login(host, autologin, autoname);
 	/*NOTREACHED*/

telnetd/telnetd.c

@@ -151,6 +151,10 @@ main(int argc, char *argv[])
 #ifdef	ENCRYPTION
 	nclearto = 0;
 #endif	/* ENCRYPTION */
+    
+#ifdef __GNO__
+    environInit();
+#endif
 
 	/*
 	 * This initialization causes linemode to default to a configuration