fix prereq.sh on NetBSD 8.1
treec46dd427297296514eb118a0fe930485b23ba0cc
-rw-r--r-- 1308 .gitignore
-rw-r--r-- 1098 .travis.yml
-rw-r--r-- 17987 COPYING
-rw-r--r-- 3944 Config.in
-rw-r--r-- 1273 LICENCE
-rw-r--r-- 564 Makefile
-rw-r--r-- 5652 Makefile.adk
-rw-r--r-- 917 README
-rw-r--r-- 766 THANKS
drwxr-xr-x - adk
drwxr-xr-x - docs
drwxr-xr-x - mk
drwxr-xr-x - package
-rw-r--r-- 5627 rules.mk
drwxr-xr-x - scripts
drwxr-xr-x - target
drwxr-xr-x - tasks
drwxr-xr-x - toolchain