French translation update

[GitHub pull_request - edited]

alsa-project/alsa-utils pull request #42 was edited from trebmuh:

- fixes spaces
- improvements
- min/MAJ
- update some strings
- new strings translations
- typo fixes

Request URL   : https://github.com/alsa-project/alsa-utils/pull/42
Patch URL     : https://github.com/alsa-project/alsa-utils/pull/42.patch
Repository URL: https://github.com/alsa-project/alsa-utils