Change newcat.c ptt check to get_ptt instead of cache

Signalink was hanging on to PTT just a bit longer than the CAT ptt
https://github.com/Hamlib/Hamlib/issues/540

rigs/yaesu/newcat.c

@@ -787,8 +787,14 @@ int newcat_set_freq(RIG *rig, vfo_t vfo, freq_t freq)
         if (vfo != rig->state.tx_vfo) return -RIG_ENTARGET;
     }
 
-    if (rig->state.cache.ptt ==
-            RIG_PTT_ON) // we have a few rigs that can't set TX VFO while PTT_ON
+    ptt_t ptt;
+    if (RIG_OK != (err = newcat_get_ptt(rig, vfo, &ptt)))
+    {
+        ERRMSG(err, "newcat_set_cmd failed");
+        RETURNFUNC(err);
+    }
+
+    if (ptt == RIG_PTT_ON) // we have a few rigs that can't set TX VFO while PTT_ON
     {
         // should be true whether we're on VFOA or VFOB but only restricting VFOB right now
         // we return RIG_OK as we dont' want

rigs/yaesu/newcat.h

@@ -50,7 +50,7 @@
 typedef char ncboolean;
 
 /* shared function version */
-#define NEWCAT_VER "20210130"
+#define NEWCAT_VER "20210208"
 
 /* Hopefully large enough for future use, 128 chars plus '\0' */
 #define NEWCAT_DATA_LEN                 129