Add 0W reference for FTDX101D power meter

https://github.com/Hamlib/Hamlib/issues/524

rigs/yaesu/ftdx101.c

@@ -76,7 +76,7 @@ const struct rig_caps ftdx101d_caps =
     RIG_MODEL(RIG_MODEL_FTDX101D),
     .model_name =         "FTDX-101D",
     .mfg_name =           "Yaesu",
-    .version =            NEWCAT_VER ".8z",
+    .version =            NEWCAT_VER ".9",
     .copyright =          "LGPL",
     .status =             RIG_STATUS_STABLE,
     .rig_type =           RIG_TYPE_TRANSCEIVER,

rigs/yaesu/ftdx101.h

@@ -74,8 +74,9 @@
 // Borrowed from FLRig -- Thanks to Dave W1HKJ
 #define FTDX101D_RFPOWER_METER_CAL \
     { \
-        5, \
+        6, \
         { \
+            {0, 0.0f}, \
             {35, 5.0f}, \
             {94, 25.0f}, \
             {147, 50.0f}, \