Use more portable syntax for functions.

maint/doctest

@@ -5,7 +5,7 @@
 
 set -e
 
-function one_test () {
+one_test() {
 	"$@" >/dev/null 2>doctest.err
 	if test -s doctest.err; then
 		echo "ERROR messages follow:" 2>&1

maint/mcsnap

@@ -11,7 +11,7 @@
 
 
 # $1 - file to upload, $2 - shell mask to erase
-function upload() {
+upload() {
   echo "Uploading $1 to $SITE"
   name="`basename $1`"
   scp "$1" "$SITE:$DIR/.in.$name"

maint/mctest

@@ -5,7 +5,7 @@
 
 set -e
 
-function distcheck () {
+distcheck() {
     id="$1"
     shift
     make distcheck MSGMERGE="msgmerge -q" "$@" >test-$id.out 2>test-$id.err