Fix EOL at EOF

Commands used to search and replace:

    $ git grep -Ilz '.' | xargs -0 -I '{}' sh -c \
      "printf '%s\n' \"\$(cat '{}')\" >'{}'"

The above commands ensure that there is exaclty 1 line terminator at EOF
(rather than 0 or more than 1) on all non-empty text files.

This fixes all of the "new blank line at EOF" errors raised by git:

    $ git diff --check 4b825dc642cb6eb9a060e54bf8d69288fbee4904..HEAD |
      grep '^[^+]' | cut -f 3 -d : | LC_ALL=C sort | uniq -c
         21  new blank line at EOF.
         72  space before tab in indent.
          4  trailing whitespace.

1 files changed, 0 insertions, 1 deletions

diff --git a/test/private-etc/private-etc.sh b/test/private-etc/private-etc.sh
index 8488611b9..c46b684af 100755
--- a/test/private-etc/private-etc.sh
+++ b/test/private-etc/private-etc.sh
@@ -18,4 +18,3 @@ echo "TESTING: groups (test/private-etc/groups.exp)"
 
 echo "TESTING: etc-cleanup (test/private-etc/etc-cleanup.exp)"
 ./etc-cleanup.exp
-