init.sh: move setvars/err_ to lib.sh

these functions make more sense in lib.sh

i made mk link lib.sh first, so that the
functions on init.sh can still use them.

Signed-off-by: Leah Rowe <leah@libreboot.org>

mk

@@ -12,8 +12,9 @@ if [ "./${0##*/}" != "${0}" ] || [ ! -f "mk" ] || [ -L "mk" ]; then
 	exit 1
 fi
 
-. "include/init.sh"
 . "include/lib.sh"
+
+. "include/init.sh"
 . "include/inject.sh"
 . "include/mrc.sh"