Fixed Android Lint warning in AndroidManifest.xml.
diff --git a/android-project/AndroidManifest.xml b/android-project/AndroidManifest.xml
index ce7c056..d9460bf 100644
--- a/android-project/AndroidManifest.xml
+++ b/android-project/AndroidManifest.xml
@@ -19,7 +19,8 @@
-->
<application android:label="@string/app_name"
android:icon="@drawable/ic_launcher"
- android:theme="@android:style/Theme.NoTitleBar.Fullscreen">
+ android:allowBackup="true"
+ android:theme="@android:style/Theme.NoTitleBar.Fullscreen">
<activity android:name="SDLActivity"
android:label="@string/app_name">
<intent-filter>