set account onCreate to avoid NPE during rotation

src/com/owncloud/android/ui/activity/UserInfoActivity.java

@@ -46,6 +46,7 @@ import android.widget.ProgressBar;
 import android.widget.TextView;
 
 import com.owncloud.android.R;
+import com.owncloud.android.authentication.AccountUtils;
 import com.owncloud.android.authentication.AuthenticatorActivity;
 import com.owncloud.android.lib.common.UserInfo;
 import com.owncloud.android.lib.common.operations.RemoteOperation;
@@ -169,6 +170,9 @@ public class UserInfoActivity extends FileActivity {
         setupToolbar();
         updateActionBarTitleAndHomeButtonByString("");
 
+        setAccount(AccountUtils.getCurrentOwnCloudAccount(this));
+        onAccountSet(false);
+
         if (userInfo != null) {
             populateUserInfoUi(userInfo);
             emptyContentContainer.setVisibility(View.GONE);