fix(html5): fixed linting issues (vuejs#3555)

Author: eyedean

Diff for: src/history/html5.js

@@ -88,8 +88,8 @@ export class HTML5History extends History {
 export function getLocation (base: string): string {
   let path = window.location.pathname
   // base="/a" shouldn't turn path="/app" into "/a/pp" https://github.com/vuejs/vue-router/issues/3555
-  if (base && ((path.toLowerCase() === base.toLowerCase()) 
-	  || (path.toLowerCase().indexOf(cleanPath(base.toLowerCase() + "/")) === 0))) {
+  if (base && ((path.toLowerCase() === base.toLowerCase()) ||
+		(path.toLowerCase().indexOf(cleanPath(base.toLowerCase() + '/')) === 0))) {
     path = path.slice(base.length)
   }
   return (path || '/') + window.location.search + window.location.hash