Add usrp IO project

modules/modules.pro

@@ -10,7 +10,8 @@ SUBDIRS  += sources/source_plutosdr \
     network/network_p2p \
     sinks/sink_SQL \
     wrappers/wrapper_scripts \
-    uhd/uhd_usrp_continous
+    uhd/uhd_usrp_continous \
+    uhd/uhd_usrp_io
 
 
 qtHaveModule(charts){

modules/uhd/uhd_usrp_io/uhd_io.cpp

@@ -348,7 +348,7 @@ int do_iio(const cmdlineParser & args)
 						UHD_DO(uhd_rx_metadata_has_time_spec(rx_meta, &hasTm));
 						if (hasTm)
 						{
-							long int rx_time_sec;
+                            int64_t rx_time_sec;
 							double rx_time_frag;
 							uhd_rx_metadata_time_spec(rx_meta,
 													  &rx_time_sec, & rx_time_frag);