Fix come valgrind errors

dummy/netrigctl.c

@@ -629,8 +629,8 @@ static int netrigctl_get_freq(RIG *rig, vfo_t vfo, freq_t *freq)
     char vfotmp[16];
 #endif
 
-    rig_debug(RIG_DEBUG_VERBOSE, "%s called, vfo=%s, freq=%.0f\n", __func__,
-              rig_strvfo(vfo), *freq);
+    rig_debug(RIG_DEBUG_VERBOSE, "%s called, vfo=%s\n", __func__,
+              rig_strvfo(vfo));
 
     ret = netrigctl_vfostr(rig, vfostr, sizeof(vfostr), vfo);
 

rigs/icom/frame.c

@@ -115,6 +115,7 @@ int icom_one_transaction(RIG *rig, int cmd, int subcmd,
     int frm_len, retval;
     int ctrl_id;
 
+    sendbuf[0] = buf[0] = 0;
     rs = &rig->state;
     priv = (struct icom_priv_data *)rs->priv;
     priv_caps = (struct icom_priv_caps *)rig->caps->priv;
@@ -232,6 +233,7 @@ int icom_one_transaction(RIG *rig, int cmd, int subcmd,
      * FIXME: handle pading/collisions
      * ACKFRMLEN is the smallest frame we can expect from the rig
      */
+    buf[0] = 0;
     frm_len = read_icom_frame(&rs->rigport, buf, sizeof(buf));
 
     if (memcmp(buf, sendbuf, frm_len) == 0 && priv->serial_USB_echo_off)

src/misc.c

@@ -1292,7 +1292,8 @@ double HAMLIB_API elapsed_ms(struct timespec *start, int option)
 
     case HAMLIB_ELAPSED_INVALIDATE:
         clock_gettime(CLOCK_REALTIME, start);
-        start->tv_sec -= 3600;
+        stop = *start;
+        start->tv_sec -= 10; // ten seconds should be more than enough
         break;
     }