Attempt to fix reference error.

apps/berlinc/berlin-clock.js

@@ -8,12 +8,12 @@ const rowHeight = height / 4;
 
 var show_date = false;
 var show_time = false;
+var yy = 0;
 
 rowlights = [];
 time_digit = [];
 
 function drawBerlinClock() {
-  try {
   g.clear();
   var now = new Date();
   
@@ -66,15 +66,11 @@ function drawBerlinClock() {
       }
       if (row == 3 && show_time) {
         g.setColor(1,1,1);
-        g.setFontAlign(0,0);        
+        g.setFontAlign(0,0);
         g.drawString(time_digit[col],(x1+x2)/2,(y1+y2)/2);
       }
     }
   }
-} catch (e) {
-  console.log(e)
-  console.trace()
-}
 }
 
 function toggleDate() {