Fix: replaced u_int32 type with uint32
diff --git a/lib/demapping/tch_f_chans_demapper_impl.h b/lib/demapping/tch_f_chans_demapper_impl.h
index fe3bdf2..bef018d 100644
--- a/lib/demapping/tch_f_chans_demapper_impl.h
+++ b/lib/demapping/tch_f_chans_demapper_impl.h
@@ -44,7 +44,7 @@
       pmt::pmt_t d_bursts_ul[3][8];            // for tch output headers+bursts
       pmt::pmt_t d_bursts_sacch_ul[4];         // for sacch output bursts
 
-      void sacch_tch_demapper(uint32_t fn_mod13, u_int32_t fn_mod26, uint32_t frame_nr, pmt::pmt_t *d_bursts_sacch,
+      void sacch_tch_demapper(uint32_t fn_mod13, uint32_t fn_mod26, uint32_t frame_nr, pmt::pmt_t *d_bursts_sacch,
                               uint32_t *d_frame_numbers_sacch, pmt::pmt_t d_bursts[3][8],
                               uint32_t d_frame_numbers[3][8], pmt::pmt_t msg_out);