faxsetup: Make sure to quote a potentially empty variable

Reported through Debian, bug #478071?

diff --git a/etc/faxsetup.sh.in b/etc/faxsetup.sh.in
index 375da1797e671d5c7487d93ae276e2a84f1b631f..c8859c65d0281c50d3484345d179ef54edd00606 100644 (file)
--- a/etc/faxsetup.sh.in
+++ b/etc/faxsetup.sh.in
@@ -811,9 +811,9 @@ test -x "$UUENCODE" || {
 # $BASE64ENCODE may contain parameters
 cmd=`echo "$BASE64ENCODE" | $SED -e "s/^ *//" -e "s/ .*$//"`
 test -x "$cmd" || BASE64ENCODE=`findAppDef mimencode $PATH mimencode`
-test -x $BASE64ENCODE || BASE64ENCODE=`findAppDef base64-encode $PATH base64-encode`
-test -x $BASE64ENCODE || BASE64ENCODE=`findAppDef base64 $PATH base64`
-test -x $BASE64ENCODE || {
+test -x "$BASE64ENCODE" || BASE64ENCODE=`findAppDef base64-encode $PATH base64-encode`
+test -x "$BASE64ENCODE" || BASE64ENCODE=`findAppDef base64 $PATH base64`
+test -x "$BASE64ENCODE" || {
     if [ -x "$UUENCODE" ]; then
         if capture "$UUENCODE -m $PASSWD foo"; then
                 BASE64ENCODE="$UUENCODE -m ==== | $GREP -v ===="