Added subslot assignment to frames, which enables filtering by subslot in e.g. wireshark
diff --git a/lib/demapping/universal_ctrl_chans_demapper_impl.h b/lib/demapping/universal_ctrl_chans_demapper_impl.h
index aade90d..67e917e 100644
--- a/lib/demapping/universal_ctrl_chans_demapper_impl.h
+++ b/lib/demapping/universal_ctrl_chans_demapper_impl.h
@@ -33,6 +33,7 @@
      private:
       unsigned int d_starts_fn_mod51[51];
       unsigned int d_channel_types[51];
+      unsigned int d_subslots[102];
       unsigned int d_timeslot;
       uint32_t d_frame_numbers[4];
       pmt::pmt_t d_bursts[4];