add some missing \n at end of file

This to avoid the “No newline at end of file” error from patch/git.

Change-Id: Ice82d4a36a0893e8f71dbffbdab154d1fbab8a09
dib-lint: ensure file finish with a new line

git and the patch command expect file to end with a new line.

Change-Id: I783583b2a5a703007bf206ba56a1caa6fe15973e
Merge "add some missing \n at end of file"
Merge "dib-lint: ensure file finish with a new line"