remove GNUism from install doc command
-rw-r--r-- 341 .gitignore
-rw-r--r-- 205 AUTHORS
-rw-r--r-- 1487 COPYING
-rw-r--r-- 1493 Makefile.am
-rw-r--r-- 77 README.txt
-rwxr-xr-x 292 autogen.sh
drwxr-xr-x - ci
-rw-r--r-- 3273 configure.ac
drwxr-xr-x - doc
drwxr-xr-x - examples
drwxr-xr-x - include
drwxr-xr-x - m4
-rw-r--r-- 363 opusfile-uninstalled.pc.in
-rw-r--r-- 340 opusfile.pc.in
drwxr-xr-x - src
drwxr-xr-x - unix