tests: Add missing newline at the end of file

This is breaking MacOS and FreeBSD builds.

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>

tests/unittests/torture_options.c

@@ -3465,4 +3465,4 @@ torture_run_tests(void)
 #endif /* WITH_SERVER */
     ssh_finalize();
     return rc;
-}
+}