update kenwood.h

rigs/kenwood/kenwood.h

@@ -207,7 +207,7 @@ int kenwood_set_trn(RIG *rig, int trn);
 int kenwood_get_trn(RIG *rig, int *trn);
 
 /* only use if returned string has length 6, e.g. 'SQ011;' */
-int get_kenwood_level(RIG *rig, const char *cmd, value_t *val);
+int get_kenwood_level(RIG *rig, const char *cmd, float *fval, int *ival);
 int get_kenwood_func(RIG *rig, const char *cmd, int *status);
 
 extern const struct rig_caps ts950s_caps;