removed whitespace

Signed-off-by: Ben Taylor <ben.taylor@linaro.org>
diff --git a/ChangeLog.d/removal-of-rng.txt b/ChangeLog.d/removal-of-rng.txt
index 414dde1..a8a19f4 100644
--- a/ChangeLog.d/removal-of-rng.txt
+++ b/ChangeLog.d/removal-of-rng.txt
@@ -1,5 +1,5 @@
 API changes
-   * All API functions now use the PSA random generator psa_get_random() 
+   * All API functions now use the PSA random generator psa_get_random()
      internally. As a consequence, functions no longer take RNG parameters.
      Please refer to the migration guide at :
      tf-psa-crypto/docs/4.0-migration-guide.md.