Removed useless test in oggseek.

modules/demux/oggseek.c

@@ -677,14 +677,11 @@ static demux_index_entry_t *get_bounds_for ( logical_stream_t *p_stream, int64_t
         }
 
         if ( i_frame < i_tframe )
-        {
-            if ( pi_pos_lower != NULL )
         {
             *pi_pos_lower = idx->i_pagepos;
             idx = idx->p_next;
             continue;
         }
-        }
 
         return idx;
     }