Fix cppcheck warning in thg71.c

kenwood/thg71.c

@@ -483,7 +483,7 @@ int thg71_set_func(RIG *rig, vfo_t vfo, setting_t func, int status)
 /* --------------------------------------------------------------------- */
 int thg71_open(RIG *rig)
 {
-    char ackbuf[ACKBUF_LEN], *strl;
+    char ackbuf[ACKBUF_LEN];
     int retval, i;
     const freq_range_t frend = RIG_FRNG_END;
 
@@ -508,7 +508,7 @@ int thg71_open(RIG *rig)
     for (i = 0; i < FRQRANGESIZ; i++)
     {
         freq_range_t frng;
-        char *stru;
+        char *strl,*stru;
 
         strl = strtok(NULL, ",");
         stru = strtok(NULL, ",");