$NetBSD: patch-xmlto_in,v 1.1 2018/01/21 18:45:27 roy Exp $

Avoid pointless bashisms.
Avoid use of non POSIX local builtin.

--- xmlto.in.orig	2015-11-16 14:07:10.000000000 +0000
+++ xmlto.in
@@ -78,13 +78,15 @@ EOF
 #  * Remembers the temporary file's name so it can be deleted on exit
 #  * If the failure message is empty or missing, exits on failure
 make_temp () {
-  local dirflag="" prefix="@PACKAGE@"
+  dirflag="" prefix="@PACKAGE@"
   [ "$1" = "-d" ] && { dirflag="-d"; shift; }
   [ -n "$1" ] && prefix="@PACKAGE@-$1"
 
-  if eval $2='$(${MKTEMP} $dirflag "${TMPDIR:-/tmp}/${prefix}.XXXXXX")'
+  tmpnam=$(${MKTEMP} $dirflag "${TMPDIR:-/tmp}/${prefix}.XXXXXX")
+  if [ $? = 0 ]
   then
-    CLEANFILES="$CLEANFILES ${!2}"
+    eval $2="$tmpnam"
+    CLEANFILES="$CLEANFILES $tmpnam"
     return 0
   elif [ -z "$3" ]
   then
@@ -97,7 +99,7 @@ make_temp () {
 }
 
 compute_searchpath () {
-  local oldIFS="${IFS}"
+  oldIFS="${IFS}"
   IFS=":"
   for asearchpath in "$1"; do
     # wrangle relative paths into absolute ones so that the user