maint: fix line numbers in check-aclrules reports

Reset line numbering on each input file in check-aclrules.pl. Otherwise
it reports wrong line numbers in its error messages.
Signed-off-by: NYuri Myasoedov <ymyasoedov@yandex.ru>
Signed-off-by: NRoman Bogorodskiy <bogorodskiy@gmail.com>
Signed-off-by: NEric Blake <eblake@redhat.com>

src/check-aclrules.pl

@@ -254,6 +254,8 @@ while (<>) {
     $brace += $count;
     $count = s/}//g;
     $brace -= $count;
+} continue {
+    close ARGV if eof;
 }
 
 exit $status;