[PATCH] po: Add Sinhala translation.

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=45918

Your paranoid android.


=== debian9 (build log) ===

Makefile:231: recipe for target 'appwiz.res' failed
Makefile:8648: recipe for target 'dlls/appwiz.cpl' failed
Makefile:528: recipe for target 'avifil32.res' failed
Makefile:8648: recipe for target 'dlls/avifil32' failed
Makefile:372: recipe for target 'browseui.res' failed
Makefile:8648: recipe for target 'dlls/browseui' failed
Task: The win32 build failed

=== debian9 (build log) ===

Makefile:367: recipe for target 'browseui.res' failed
Makefile:230: recipe for target 'appwiz.res' failed
Makefile:8371: recipe for target 'dlls/browseui' failed
Makefile:519: recipe for target 'avifil32.res' failed
Makefile:8371: recipe for target 'dlls/appwiz.cpl' failed
Makefile:8371: recipe for target 'dlls/avifil32' failed
Makefile:954: recipe for target 'comctl32.res' failed
Makefile:8371: recipe for target 'dlls/comctl32' failed
Task: The wow64 build failed