Adapt programs / test suites
diff --git a/programs/test/o_p_test.c b/programs/test/o_p_test.c
index 1478940..e5047e5 100644
--- a/programs/test/o_p_test.c
+++ b/programs/test/o_p_test.c
@@ -258,6 +258,7 @@
     printf( "String value (PolarSSL Private Encrypt, OpenSSL Public Decrypt): '%s'\n", o_priv_decrypted );
 
 exit:
+    ctr_drbg_free( &ctr_drbg );
     entropy_free( &entropy );
 
 #ifdef WIN32