Remove redunant break statements in kenwood.c

rigs/kenwood/kenwood.c

@@ -4626,18 +4626,15 @@ int kenwood_set_trn(RIG *rig, int trn)
     case RIG_MODEL_TS990S:
         RETURNFUNC(kenwood_transaction(rig, (trn == RIG_TRN_RIG) ? "AI2" : "AI0", NULL,
                                        0));
-        break;
 
     case RIG_MODEL_THD7A:
     case RIG_MODEL_THD74:
         RETURNFUNC(kenwood_transaction(rig, (trn == RIG_TRN_RIG) ? "AI 1" : "AI 0", buf,
                                        sizeof buf));
-        break;
 
     default:
         RETURNFUNC(kenwood_transaction(rig, (trn == RIG_TRN_RIG) ? "AI1" : "AI0", NULL,
                                        0));
-        break;
     }
 }
 

rigs/kenwood/kenwood.h

@@ -28,7 +28,7 @@
 #include "token.h"
 #include "misc.h"
 
-#define BACKEND_VER "20211124"
+#define BACKEND_VER "20211128"
 
 #define EOM_KEN ';'
 #define EOM_TH '\r'