fix gcc reported issues

targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c

@@ -42,7 +42,6 @@
 #include <unistd.h>
 #include <errno.h>
 #include <linux/sysctl.h>
-#include <sys/sysctl.h>
 
 #include "common_lib.h"
 #include "ethernet_lib.h"

targets/RT/USER/lte-softmodem.c

@@ -35,6 +35,7 @@
 #include <sched.h>
 
 #include "rt_wrapper.h"
+#include <common/utils/msc/msc.h>
 
 
 #undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
@@ -102,6 +103,8 @@ pthread_cond_t nfapi_sync_cond;
 pthread_mutex_t nfapi_sync_mutex;
 int nfapi_sync_var=-1; //!< protected by mutex \ref nfapi_sync_mutex
 
+msc_interface_t msc_interface;
+
 
 uint16_t sf_ahead=4;
 

targets/RT/USER/lte-ue.c

@@ -95,6 +95,7 @@ extern int oai_nfapi_rx_ind(nfapi_rx_indication_t *ind);
 extern int multicast_link_write_sock(int groupP, char *dataP, uint32_t sizeP);
 
 
+int	tx_req_num_elems;
 extern uint16_t sf_ahead;
 //extern int tx_req_UE_MAC1();
 

targets/RT/USER/lte-uesoftmodem.c

@@ -86,6 +86,7 @@
 #include "lte-softmodem.h"
 
 
+msc_interface_t msc_interface;
 /* temporary compilation wokaround (UE/eNB split */
 uint16_t sf_ahead;
 

targets/RT/USER/rt_wrapper.c

@@ -44,6 +44,7 @@
 #include <sys/sysinfo.h>
 #include "rt_wrapper.h"
 #include <errno.h>
+#include <common/utils/msc/msc.h>
 
 #include "openair1/PHY/defs_common.h"