fix: add missing semicolon

Author: javier-godoy

src/main/resources/META-INF/frontend/fc-xterm/xterm-element.ts

@@ -19,7 +19,7 @@
  */
 import { LitElement, html, TemplateResult } from 'lit-element';
 
-import { Terminal, ITerminalAddon, IDisposable } from 'xterm'
+import { Terminal, ITerminalAddon, IDisposable } from 'xterm';
 import { ITerminal } from 'xterm/src/browser/Types';
 
 type integer = number;
@@ -205,4 +205,4 @@ export class XTermElement extends LitElement implements TerminalMixin {
     return this.customKeyEventHandlers.register(customKey, handler).id;
   }
 
-}
+}