fix uninitialized variable warnings found by cppcheck

common/utils/T/tracer/hacks/multi-rru-clean.c

@@ -152,7 +152,7 @@ int main(int n, char **v)
     int32_t length;
     char *v;
     int vpos = 0;
-    struct timespec t;
+    struct timespec t = {0};
     char *buf;
 
     /* read event from file */

executables/nr-ru.c

@@ -502,7 +502,7 @@ void fh_if5_north_asynch_in(RU_t *ru,int *frame,int *slot) {
   NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
   RU_proc_t *proc        = &ru->proc;
   int tti_tx,frame_tx;
-  openair0_timestamp timestamp_tx;
+  openair0_timestamp timestamp_tx = 0;
   AssertFatal(1==0,"Shouldn't get here\n");
   //      printf("Received subframe %d (TS %llu) from RCC\n",tti_tx,timestamp_tx);
   frame_tx    = (timestamp_tx / (fp->samples_per_subframe*10))&1023;

openair1/SIMULATION/LTE_PHY/mbmssim.c

@@ -585,7 +585,7 @@ double SNR,snr0=-2.0,snr1,rate = 0;
 int print_perf=0;
 
 int main(int argc, char **argv) {
-  int k,i,j,aa;
+  int k = 0,i,j,aa;
   int re;
   int s,Kr,Kr_bytes;
   LTE_DL_FRAME_PARMS *frame_parms;

openair1/SIMULATION/LTE_PHY/syncsim.c

@@ -312,7 +312,7 @@ int main(int argc, char **argv) {
 #ifdef IFFT_FPGA
   int **txdataF2;
 #endif
-  int **txdata,**txdata1,**txdata2;
+  int **txdata,**txdata1 = NULL,**txdata2 = NULL;
   double **s_re,**s_im,**s_re1,**s_im1,**s_re2,**s_im2,**r_re,**r_im,**r_re1,**r_im1,**r_re2,**r_im2;
   double iqim = 0.0;
   unsigned char pbch_pdu[6];

openair2/UTIL/OMG/omg.c

@@ -793,7 +793,7 @@ main (int argc, char *argv[]) {
   char y_area[20];
   char z_area[20];
   char fname[64], vname[64];
-  Data_Flow_Unit omv_data;
+  Data_Flow_Unit omv_data = {0};
 
   //default parameters
   for (node_type = eNB; node_type < MAX_NUM_NODE_TYPES; node_type++) {