umac-test: Fixed memory leak.

ChangeLog

+2013-04-15  Niels Möller  <nisse@lysator.liu.se>
+
+	* testsuite/umac-test.c (test_align): Fixed memory leak.
+
 2013-04-12  Niels Möller  <nisse@lysator.liu.se>
 
 	* armv7/umac-nh.asm: New file. 2.4 time speedup.

testsuite/umac-test.c

@@ -152,6 +152,7 @@ test_align (const struct tstring *key,
 		    &ctx128, (nettle_hash_digest_func *) umac128_digest,
 		    msg, length, 16, ref128->data);
     }
+  free (buffer);
 }
 
 void