Fix this reference

Author: aszmyd

src/android/StatusBar.java

@@ -101,7 +101,7 @@ public void run() {
                     // use KitKat here to be aligned with "Fullscreen"  preference
                     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
                         int uiOptions = window.getDecorView().getSystemUiVisibility();
-                        if (this.transparent) {
+                        if (StatusBar.this.transparent) {
                             uiOptions |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
                         } else {
                             uiOptions &= ~View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;