py3: convert hghave output to text
Before this, Python3 generated:
b'skipped: unknown feature: not-py3k\n'
--- a/tests/run-tests.py Wed Mar 30 05:26:51 2016 +0000
+++ b/tests/run-tests.py Wed Mar 30 08:02:34 2016 +0000
@@ -1010,7 +1010,7 @@
if wifexited(ret):
ret = os.WEXITSTATUS(ret)
if ret == 2:
- print(stdout)
+ print(stdout.decode('utf-8'))
sys.exit(1)
if ret != 0: