Report Toolbar Spinner contains only one item

#### Steps to reproduce the behaviour
Go to Reports
Click on Pie Chart
Click on the Report Toolbar Spinner

#### Expected behaviour
4 items (Pie Chart, Bar Chart, Cash Flow, Balance sheet)

#### Actual behaviour
Only item "Pie Chart" appears

#### Software specifications
* GnuCash Android version: 2.4.1 85704b408b7a89ff4d38d2cdeb15b9bd3cda4679
* System Android version:
* Device type:
