Add changelog entry for checking set_padding() before cipher_finish()

Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
diff --git a/ChangeLog.d/check-set_padding-is-called.txt b/ChangeLog.d/check-set_padding-is-called.txt
new file mode 100644
index 0000000..6411234
--- /dev/null
+++ b/ChangeLog.d/check-set_padding-is-called.txt
@@ -0,0 +1,4 @@
+Changes
+   * Check while doing cipher encryption/decryption that
+     mbedtls_set_padding has been called in case of modes
+     that require padding.