style: remove unnecessary semicolon after namespace

[vil02]

While running the build, one can see

lib/analyzerinfo.h:38:2: warning: extra ';' [-Wpedantic]
   38 | };

This PR fixes that.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[chrchr-github]

Thanks for your contribution. If you'd like, you can add yourself to the AUTHORS file.

[vil02]

Thanks for your contribution. If you'd like, you can add yourself to the AUTHORS file.

I will do that, when I will contribute something more significant.