Normalize line endings

Convert all text files to Unix line endings unless they're Windows
stuff.

Make sure that all text files have a trailing newline.

Remove whitespace at the end of lines.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/ChangeLog.d/fix-print-non-ascii-string-in-mbedtls_x509_dn_gets.txt b/ChangeLog.d/fix-print-non-ascii-string-in-mbedtls_x509_dn_gets.txt
index 320b0b8..6be1e5b 100644
--- a/ChangeLog.d/fix-print-non-ascii-string-in-mbedtls_x509_dn_gets.txt
+++ b/ChangeLog.d/fix-print-non-ascii-string-in-mbedtls_x509_dn_gets.txt
@@ -1,3 +1,3 @@
 Changes
-   * Fix mbedtls_x509_dn_gets to escape non-ASCII characters as "?". 
+   * Fix mbedtls_x509_dn_gets to escape non-ASCII characters as "?".
      Contributed by Koh M. Nakagawa in #3326.