Update changelog formatting - Missing Free Context

Trailing white space causing check_files.py to fail
issue4176.txt was also in dos format - this has been
changed to unix

Signed-off-by: Joe Subbiani <joe.subbiani@arm.com>
diff --git a/ChangeLog.d/issue4176.txt b/ChangeLog.d/issue4176.txt
index 52181a1..e1ed5d6 100644
--- a/ChangeLog.d/issue4176.txt
+++ b/ChangeLog.d/issue4176.txt
@@ -1,3 +1,3 @@
-Bugfix

-   * Fix an issue where resource is never freed when running one particular 

-     test suite with an alternative AES implementation. Fixes #4176

+Bugfix
+   * Fix an issue where resource is never freed when running one particular
+     test suite with an alternative AES implementation. Fixes #4176