Incorrect RPM license detected

In http://rpmfind.net/linux/fedora/linux/development/rawhide/Everything/aarch64/os/Packages/g/GConf2-devel-3.2.6-31.fc36.aarch64.rpm we get this and the "unknown" is incorrect:
```
headers:
- tool_name: scancode-toolkit
tool_version: 30.0.0
options:
input:
- GConf2-devel-3.2.6-31.fc36.aarch64.rpm
--license: yes
--license-text: yes
--license-text-diagnostics: yes
--package: yes
--yaml: '-'
...
packages:
- type: rpm
namespace:
name: GConf2-devel
version: 3.2.6-31.fc36
...
license_expression: (lgpl-2.0-plus AND gpl-2.0-plus) AND unknown
declared_license: LGPLv2+ and GPLv2+
notice_text:
...
```