Don't install lib/ax/README file with executable bits set ...
-rw-r--r-- 34 AUTHORS
-rw-r--r-- 0 COPYING
-rw-r--r-- 391 Makefile
-rw-r--r-- 1350 Makefile.ax
-rw-r--r-- 36 README
drwxr-xr-x - bup
drwxr-xr-x - lib