Fix line length lint warnings

I am about to run some code replacements that might make lines too long, so with
this change I know we're starting from 0 line length warnings.

src/components/structures/IndicatorScrollbar.js

@@ -66,7 +66,11 @@ export default class IndicatorScrollbar extends React.Component {
     }
 
     render() {
-        return (<AutoHideScrollbar ref={this._collectScrollerComponent} wrappedRef={this._collectScroller} {... this.props}>
+        return (<AutoHideScrollbar
+            ref={this._collectScrollerComponent}
+            wrappedRef={this._collectScroller}
+            {... this.props}
+        >
             { this.props.children }
         </AutoHideScrollbar>);
     }