Fix bashism in release testing target "tidy"

Makefile

@@ -316,9 +316,9 @@ author-test:
 #
 tidy:
 	if [ -x /usr/bin/perltidy ]; then \
-	for i in bin/*-*[^~]; do \
+	for i in $(ls -1 bin/*-* | grep -vE '~$'); do \
 		echo "tidying $$i"; \
-		perltidy  $$i \
+		perltidy $$i \
 	; done \
 	; fi
 

debian/changelog

@@ -2,6 +2,7 @@ xen-tools (4.9.2-1) UNRELEASED; urgency=medium
 
   * New upstream maintenance release
     + Update list of Ubuntu and Debian releases.
+    + Fix bashism in release testing target "tidy".
   * Update upstream signing key to update its expiry date.
 
  -- Axel Beckert <abe@debian.org>  Mon, 09 Jan 2023 04:42:57 +0100