- add xz buildrequires for old distros.
- Update to current git
* patches deleted:
- flac-1.2.1-asm.patch
- flac-1.2.1-bitreader.patch
- flac-gcc43-fixes.diff
- flac-gcc47.patch
- flac-leaks.patch
- flac-no-xmms.diff
- flac-visibility.patch
- flac-printf-format-fix.diff
All Upstreamed either by us or other distros.
- Add flac-openssl.patch, do crypto with openssl (not wanted upstream)
- Restore make check
OBS-URL: https://build.opensuse.org/request/show/144806
OBS-URL: https://build.opensuse.org/package/show/multimedia:libs/flac?expand=0&rev=29
