Bugfix in Dpkg::Shlibs::Objdump::Object parsing code.

Fix call to $self->_read in new() so that it actually has a chance to know
which file it's supposed to parse.

scripts/Dpkg/Shlibs/Objdump.pm

@@ -108,7 +108,7 @@ sub new {
 
     $self->reset;
     if ($file) {
-	$self->_read;
+	$self->_read($file);
     }
 
     return $self;