Examples: Emscripten: Fixed error in shell template. (#2494)

examples/example_emscripten/shell_minimal.html

@@ -62,7 +62,7 @@
     </div>
     <br>
     <div class="emscripten">
-      <input type="button" value="Fullscreen" onclick="Module.requestFullscreen(false, document.getElementById('resize').checked)">
+      <input type="button" value="Fullscreen" onclick="Module.requestFullscreen(false, false)">
       <!-- <input type="checkbox" id="resize">Resize canvas -->
     </div>
     <br>