Fix PS0; command in newcat.c

https://github.com/Hamlib/Hamlib/issues/1220

rigs/yaesu/newcat.c

@@ -3557,9 +3557,8 @@ int newcat_set_powerstat(RIG *rig, powerstat_t status)
 
     case RIG_POWER_OFF:
     case RIG_POWER_STANDBY:
-        ps = '0';
-        write_block(&state->rigport, (unsigned char *) "PS0;", 4);
-        break;
+        retval = write_block(&state->rigport, (unsigned char *) "PS0;", 4);
+        RETURNFUNC(retval);
 
     default:
         RETURNFUNC(-RIG_ENAVAIL);

rigs/yaesu/newcat.h

@@ -50,7 +50,7 @@
 typedef char ncboolean;
 
 /* shared function version */
-#define NEWCAT_VER "20230322"
+#define NEWCAT_VER "20230328"
 
 /* Hopefully large enough for future use, 128 chars plus '\0' */
 #define NEWCAT_DATA_LEN                 129