correct whitespace style issue

Signed-off-by: Ben Taylor <ben.taylor@linaro.org>
diff --git a/ChangeLog.d/static-ecdh-removal.txt b/ChangeLog.d/static-ecdh-removal.txt
index b67ee28..94512a2 100644
--- a/ChangeLog.d/static-ecdh-removal.txt
+++ b/ChangeLog.d/static-ecdh-removal.txt
@@ -1,3 +1,3 @@
 Removals
-   * Removed support for TLS 1.2 static ECDH key 
+   * Removed support for TLS 1.2 static ECDH key
      exchanges (ECDH-ECDSA and ECDH-RSA).