Introduced entropy_free()
diff --git a/programs/test/o_p_test.c b/programs/test/o_p_test.c
index bf54752..0665098 100644
--- a/programs/test/o_p_test.c
+++ b/programs/test/o_p_test.c
@@ -252,6 +252,7 @@
     printf( "String value (PolarSSL Private Encrypt, OpenSSL Public Decrypt): '%s'\n", o_priv_decrypted );
 
 exit:
+    entropy_free( &entropy );
 
 #ifdef WIN32
     printf( "  + Press Enter to exit this program.\n" );