Add fuzzy flag to the header

[tagoh]

to avoid showing up the header strings mistakenly when the original string is empty.

[BYK]

Hey, sorry for the long wait. Can you explain the issue you are trying to solve a bit more?

[tagoh]

Sure. basically there are no different between a header which contains the project id, the targeted language, the content type and so on, and other translations in its format. even though the header are put as the empty msgid, it is still referrable with "" unless it is flagged as fuzzy. so the original getttext to generate a POT file behaves to add a fuzzy flag to avoid such sutiation as a workaround of the defect of the format.

[tagoh]

Oh, and inherits flags on the header to POs as well. translators and all of the web translation platforms doesn't touch it.

[BYK]

Awesome, thank you!

[tagoh]

Thank you!