Fixes:
Traceback (most recent call last):
File "test\functional\test_framework\test_framework.py", line 126, in main
self.run_test()
File "test/functional/wallet_multiwallet.py", line 120, in run_test
assert_equal(sorted(map(lambda w: w['name'], self.nodes[0].listwalletdir()['wallets'])), sorted(in_wallet_dir))
File "test\functional\test_framework\util.py", line 49, in assert_equal
raise AssertionError("not(%s)" % " == ".join(str(arg) for arg in (thing1, thing2) + args))
AssertionError: not(['', 'sub\\w5', 'w', 'w1', 'w2', 'w3', 'w7', 'w7_symlink', 'w8'] == ['', 'sub/w5', 'w', 'w1', 'w2', 'w3', 'w7', 'w7_symlink', 'w8'])
