http://bugs.gentoo.org/328953
http://qa.mandriva.com/53477

--- mp32ogg
+++ mp32ogg
@@ -167,7 +167,9 @@
 }
 
 sub ConvertFile() {
-	my $mp3file = shift(@_);
+    # force arg stringfication to get actual filename, not getopt::long
+    # callback
+	my $mp3file = "" . shift(@_);
 	my $delete = $opt_delete;
 	my $filename = $opt_rename;
 	my $lowercase = $opt_lowercase;