Trigger change in wasm demo

Author: robinst

demo/web/index.html

@@ -177,7 +177,7 @@ <h1>linkify demo</h1>
           <img
             src="img/wasm-ferris.png"
             alt=""
-            title="Ferris with a WebAssembly hat :)"
+            title="Ferris with a WebAssembly hat"
             style="height: 2em; margin-left: 0.5em; float: right"
           />This is an interactive demo of
           <a href="https://crates.io/crates/linkify">linkify</a>, a Rust library