[w3m-dev 03379] setuid w3mimgdisplay and check console tty

* XMakefile: w3mimgdisplay install by INSTALL_W3MIMGDISPLAY
* configure: ask setuid w3mimgdisplay
	(w3mimgdisplay_setuid): added
	(INSTALL_W3MIMGDISPLAY): added
* etc.c (mySystem): close until FOPEN_MAX
* image.c (openImgdisplay): setenv W3M_TTY
		stderr to /dev/null
		close until FOPEN_MAX
* install-sh: -o, -g for owner, group
* proto.h (ttyname_tty): added
* search.c (open_migemo): stderr to /dev/null
		close until FOPEN_MAX
* terms.c (ttyname_tty): added
* w3mimgdisplay.c: include <sys/types.h>, <unistd.h>
		W3MIMGDISPLAY_SETUID
		stderr to /dev/null
* w3mimg/w3mimg.c: include <sys/types.h>, <unistd.h>
		W3MIMGDISPLAY_SETUID
* w3mimg/fb/fb_w3mimg.c (check_tty_console): added
From: Fumitoshi UKAI  <ukai@debian.or.jp>

install-sh

@@ -1,5 +1,5 @@
 #! /bin/sh
-# $Id: install-sh,v 1.4 2002/09/09 13:51:46 ukai Exp $
+# $Id: install-sh,v 1.5 2002/11/06 03:50:49 ukai Exp $
 
 set -e
 
@@ -18,6 +18,12 @@ do
     fi
     shift;
     ;;
+  -o) owner=$2
+      shift; shift
+      ;;
+  -g) group=$2
+      shift; shift
+      ;;
   -*)
     shift
     ;;
@@ -45,6 +51,12 @@ cp $file $dest
 if [ -n "$strip" ]; then
   $strip $dest
 fi
+if [ -n "$owner" ]; then
+  chown $owner $dest
+fi
+if [ -n '$group" ]; then
+  chgrp $group $dest
+fi
 if [ -n "$mode" ]; then
   chmod $mode $dest
 fi