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
alue='koszko-scripts'>koszko-scripts</option>
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<tr><td><span title='2022-05-12 19:27:59 +0200'>2022-05-12</span></td><td><a href='/guix/commit/doc/images?id=eeba993f570483345acd59c2d8709fd5d7ee7ae7'>doc: Add the "Full-source Bootstrap".</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/guix.texi (Reduced Binary Seed Bootstrap): Update and rename to...
(Full-Source Bootstrap): ...this.
* doc/images/gcc-core-mesboot0-graph.dot: Regenerate.
</span></span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2020-05-22 16:11:52 +0200'>2020-05-22</span></td><td><a href='/guix/commit/doc/images?id=cd5d5f53228fd5bf96d9f790aa2606ae71fa68d7'>doc: Update 'Bootstrapping' for further binary seed reduction.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/images/gcc-core-mesboot0-graph.dot: New image, replacing
* doc/images/gcc-mesboot0-bag-graph.dot: ... remove file.
* doc/local.mk (DOT_FILES): Update for new image file.
* doc/guix.texi (Reduced Binary Seed Bootstrap): Use it in updated description
of further reduction of the trusted computing base.
</span></span></td><td>Jan Nieuwenhuizen</td></tr>
<tr><td><span title='2019-03-14 16:30:19 +0100'>2019-03-14</span></td><td><a href='/guix/commit/doc/images?id=19008a22d18e772062952034c58a15ed341df3b5'>Merge branch 'staging' into core-updates</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-03-13 23:12:43 +0100'>2019-03-13</span></td><td><a href='/guix/commit/doc/images?id=e1c15e8b8e25e14c253ff1212e289565736f6ea7'>doc: Document the graphical installer some more.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/guix.texi (Preparing for Installation): Rewrite to specify the two
installation modes.
(Guided Graphical Installation): New node.
(Manual Installation): New node, with the former sections.
(After System Installation): New node.
* doc/images/installer-network.png, doc/images/installer-partitions.png,
doc/images/installer-resume.png: New files.
* doc/local.mk (dist_infoimage_DATA): Add them.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-12-16 22:49:10 +0100'>2018-12-16</span></td><td><a href='/guix/commit/doc/images?id=b3bf38a5600d0fdcb0aeed29ee121edef632165d'>doc: Update mesboot graph without bootstrap-guile.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/images/gcc-mesboot-bag-graph.dot: Update.
</span></span></td><td>Jan Nieuwenhuizen</td></tr>
<tr><td><span title='2018-11-24 08:18:31 +0100'>2018-11-24</span></td><td><a href='/guix/commit/doc/images?id=3d3daf7fa1794c64914ed53e51838a41d9b7adc4'>doc: Update for bootstrap-mescc-tools change.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/guix.texi (Reduced Binary Seed Bootstrap): Update for
bootstrap-mescc-tools change.
* doc/images/gcc-mesboot-bag-graph.dot: Regenerate.
</span></span></td><td>Jan Nieuwenhuizen</td></tr>
<tr><td><span title='2018-09-23 09:46:26 +0200'>2018-09-23</span></td><td><a href='/guix/commit/doc/images?id=a243722c5b8d50b4f0e3f9717ca71aa43dfc56a3'>doc: Describe the Reduced Binary Seed bootstrap.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/guix.texi (Reduced Binary Seed Bootstrap): New node.
* doc/images/gcc-mesboot-bag-graph.dot: New file.
* doc/local.mk (DOT_FILES): Add it.
</span></span></td><td>Jan Nieuwenhuizen</td></tr>
<tr><td><span title='2016-12-17 14:46:42 +0100'>2016-12-17</span></td><td><a href='/guix/commit/doc/images?id=aaee461b9d5fb85fc1a548877dc7eea3dd4fbf50'>doc: Update dot graphs.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/images/bootstrap-packages.dot,
doc/images/coreutils-bag-graph.dot, doc/images/coreutils-graph.dot,
doc/images/shepherd-graph.dot: Regenerate.
</span></span></td><td>Ludovic Courtès</td></tr>