rfbridge: fix webui codes parsing

.gitattributes

@@ -0,0 +1,2 @@
+*.gz.h    -diff -merge
+*.gz.h    linguist-generated=true

code/html/custom.js

@@ -1219,19 +1219,21 @@ function processData(data) {
 
         if ("rfb" === key) {
             var rfb = data.rfb;
-            var size = data.size;
-            var start = data.start;
 
-            var on = rfb["on"];
-            var off = rfb["off"];
+            var size = rfb.size;
+            var start = rfb.start;
 
-            for (var i=start; i<start+size; ++i) {
-                $("input[name='rfbcode'][data-id='" + i + "'][data-status='1']").val(on[i]);
-                $("input[name='rfbcode'][data-id='" + i + "'][data-status='0']").val(off[i]);
+            var processOn = ((rfb.on !== undefined) && (rfb.on.length > 0));
+            var processOff = ((rfb.off !== undefined) && (rfb.off.length > 0));
+
+            for (var i=0; i<size; ++i) {
+                if (processOn) $("input[name='rfbcode'][data-id='" + (i + start) + "'][data-status='1']").val(rfb.on[i]);
+                if (processOff) $("input[name='rfbcode'][data-id='" + (i + start) + "'][data-status='0']").val(rfb.off[i]);
             }
 
             return;
         }
+
         <!-- endRemoveIf(!rfbridge)-->
 
         // ---------------------------------------------------------------------