Ensure /usr/bin/animalsay mode is 0755
    
    Ensure /usr/bin/animalsay mode is 0755 (not 0775).
    
    File mode 0775 has happened at least for my mockbuild environment.
    
    To achieve a certain file mode of 0755, we
    
      * change the git permissions of animalsay from 0664 to 0644
      * use "install" instead of "cp" for installing the file
      * explicitly tell "install" to install with -m 0755