libb64-1.2.1-bp152.3.17

- Small spec file cleanups

- Rename installed binary to avoid conflict with coreutils

- Install the header files too

- Properly symlink the .so instead of copying

- Add patch to disable werror:
  * disable-werror.diff

- Add debian patchset:
  * bufsiz-as-buffer-size.diff
  * initialize-coder-state.diff
  * integer-overflows.diff
  * no-hardcoded-lib-path.diff
  * override-cflags.diff
  * static-chars-per-line.diff

- Initial commit, version 1.2
- Used by sysdig