Make configure assume nvi can store backups in /var/tmp.

--- a/dist/configure	2014-09-01 14:46:01.075778095 +0200
+++ b/dist/configure	2014-09-01 14:52:08.411790122 +0200
@@ -21319,23 +21319,8 @@
 if test "${vi_cv_path_preserve+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  	dirlist="/var/preserve /var/tmp /usr/tmp"
-	vi_cv_path_preserve=no
-	for i in $dirlist; do
-		if test -d $i/vi.recover; then
-			vi_cv_path_preserve=$i/vi.recover
-			break;
-		fi
-	done
-	if test "$vi_cv_path_preserve" = no; then
-		for i in $dirlist; do
-			if test -d $i -a -w $i; then
-				vi_cv_path_preserve=$i/vi.recover
-				break;
-			fi
-		done
-
-	fi
+#	Assume /var/tmp
+	vi_cv_path_preserve=/var/tmp/vi.recover
 fi
 
 if test "$vi_cv_path_preserve" = no; then
zko</option>
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<div class='path'>path: <a href='/guix/log/?id=3e6ed9aae7a54bacf7b50c6bcc0e4ab233e90c06'>root</a>/<a href='/guix/log/etc?id=3e6ed9aae7a54bacf7b50c6bcc0e4ab233e90c06'>etc</a>/<a href='/guix/log/etc/hurd-manifest.scm?id=3e6ed9aae7a54bacf7b50c6bcc0e4ab233e90c06'>hurd-manifest.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/etc/hurd-manifest.scm?id=3e6ed9aae7a54bacf7b50c6bcc0e4ab233e90c06&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-09-19 07:26:56 +0200'>2023-09-19</span></td><td><a href='/guix/commit/etc/hurd-manifest.scm?id=7841a624f0c94efbfeb48a5209dbd92575eacc09'>maint: Add gdk-pixbuf to native Hurd manifest.</a><span class='msg-avail'>...<span class='msg-tooltip'>Gdk-pixbuf is a dependency for `guix system reconfigure' and currently also
needs an unreleased glibc patch in order to build.

* etc/hurd-manifest.scm: Add gdk-pixbuf to manifest.
</span></span></td><td>Janneke Nieuwenhuizen</td></tr>
<tr><td><span title='2023-08-21 10:45:45 +0200'>2023-08-21</span></td><td><a href='/guix/commit/etc/hurd-manifest.scm?id=3c6b6941a2c76c26ebf0c1bfd7f901a22c19dce1'>maint: Add 'etc/hurd-manifest.scm'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* build-aux/cuirass/hurd-manifest.scm: Move to...
* etc/hurd-manifest.scm: ...here.
* Makefile.am (EXTRA_DIST): Update accordingly.
</span></span></td><td>Janneke Nieuwenhuizen</td></tr>