efivar-0.21 (really)
    
    - Rename "make test" so packagers don't think it's a good idea to run it
      during builds.
    - Error check sizes in vars_get_variable()
    - Fix some file size comparisons
    - make SONAME reflect the correct values.
    - Fix some uses of "const"
    - Compile with -O2 by default
    - Fix some strict-aliasing violations
    - Fix some of the .pc files and how we do linking to work better.
    
    Signed-off-by: Peter Jones <pjones@redhat.com>