Fix FLRig to expire VFOB cache when VFOA mode is set

dummy/flrig.c

@@ -1257,6 +1257,10 @@ static int flrig_set_mode(RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width)
         {
             cmd = "rig.set_modeB";
         }
+        else 
+        { // we make VFO_B mode unknown so it expires the cache
+           priv->curr_modeB = RIG_MODE_NONE;
+        }
 
         pxml = xml_build(cmd, cmd_buf, xml, sizeof(xml));
     }

dummy/flrig.h

@@ -28,7 +28,7 @@
 #include <sys/time.h>
 #endif
 
-#define BACKEND_VER "1.11"
+#define BACKEND_VER "1.12"
 
 #define EOM "\r"
 #define TRUE 1