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
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<tr><td><span title='2018-08-23 17:16:41 +0200'>2018-08-23</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=97353dfb697cf088cf6ca83dc9aa107d23f96c9a'>gnu: byobu: Update home page.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-08-23 17:16:41 +0200'>2018-08-23</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=9e2992116213ef16b947ef371d8cd0e93f39de44'>gnu: byobu: Update to 5.127.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-04-12 04:02:21 -0400'>2018-04-12</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=fed9078906baad8ed94e2075a4a8acf41f34a244'>gnu: byobu: Return #t from all phases.</a><span class='msg-avail'>...</span></td><td>Mark H Weaver</td></tr>
<tr><td><span title='2018-04-12 04:02:19 -0400'>2018-04-12</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=5b80aa5945b71f7eecac1254177a5300534c3c7e'>gnu: dtach: Return #t from all phases.</a><span class='msg-avail'>...</span></td><td>Mark H Weaver</td></tr>
<tr><td><span title='2017-10-24 21:26:19 +0300'>2017-10-24</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=648c896ad3b198a1742c1ee8f66a1922aa98c1d8'>gnu: screen: Update to 4.6.2.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-08-30 04:45:43 +0200'>2017-08-30</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=b85a66b4d581455b9aaf8b9cd21cb9bb57d76b36'>gnu: dtach: Install man page.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2017-07-17 22:35:06 +0300'>2017-07-17</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=1cbcbc8600789a29c98788bab4633d00ec376554'>gnu: screen: Update to 4.6.1.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-06-28 22:59:41 -0500'>2017-06-28</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=57dfc9f86c3110a5eb88863c97cd5ec780ac1e69'>gnu: screen: Update to 4.6.0.</a><span class='msg-avail'>...</span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2017-05-12 20:19:13 +0200'>2017-05-12</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=2088513214cc6d03bcb303a951d2df14ec6b57b5'>gnu: reptry: Fix build.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2017-04-24 11:35:39 +0300'>2017-04-24</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=0aa872eadf3f04e575574146ec3bc683bac5075b'>gnu: reptyr: Remove aarch64 from supported systems.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-04-08 15:53:00 -0400'>2017-04-08</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=ea240de4af85ae8ecc0c1afcd4778e01a88e6f5c'>screen: Fix info page build failure.</a><span class='msg-avail'>...</span></td><td>Leo Famulari</td></tr>
<tr><td><span title='2017-02-28 21:01:26 +0200'>2017-02-28</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=13e4a6c8636779e26de52c796ea75832c71826a2'>gnu: screen: Update to 4.5.1.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-02-12 10:26:02 -0500'>2017-02-12</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=d6065945ff85f1ffea915fc9e22567731a318795'>gnu: screen: Fix CVE-2017-5618.</a><span class='msg-avail'>...</span></td><td>Leo Famulari</td></tr>
<tr><td><span title='2017-01-18 15:51:04 +0200'>2017-01-18</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=7c524e0f6b6759daace7bf37a7027f770a04296b'>gnu: screen: Update to 4.5.0.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>