Fix support for new ZSTD and XZ formats

filemin/extract.cgi

@@ -12,7 +12,7 @@ if ($archive_type =~ /x-bzip/) {
 	$cmd = "tar xvjfp ".quotemeta("$cwd/$in{'file'}").
 	       " -C ".quotemeta($cwd);
 	}
-elsif ($archive_type =~ /x-tar|\/gzip|x-xz|x-compressed-tar/) {
+elsif ($archive_type =~ /x-tar|\/gzip|x-xz|zstd|x-compressed-tar/) {
 	$cmd = "tar xfp ".quotemeta("$cwd/$in{'file'}").
 	       " -C ".quotemeta($cwd);
 	}

filemin/filemin-lib.pl

@@ -397,6 +397,7 @@ sub print_interface {
                    index($type, "-x-tar") != -1           ||
                    (index($type, "-x-bzip") != -1 && has_command('bzip2')) ||
                    (index($type, "-gzip") != -1   && has_command('gzip'))  ||
+                   (index($type, "zstd") != -1   && has_command('zstd'))  ||
                    (index($type, "-x-xz") != -1   && has_command('xz'))
                   ) &&
                   has_command('tar')))