py3: convert prereq bytes to string in run-tests
Without this, run-tests would generate:
WARNING: Did not find prerequisite tool: b'python3.5'
--- a/tests/run-tests.py Mon Mar 28 12:50:56 2016 -0700
+++ b/tests/run-tests.py Wed Mar 30 05:26:51 2016 +0000
@@ -2518,7 +2518,8 @@
if found:
vlog("# Found prerequisite", p, "at", found)
else:
- print("WARNING: Did not find prerequisite tool: %s " % p)
+ print("WARNING: Did not find prerequisite tool: %s " %
+ p.decode("utf-8"))
if __name__ == '__main__':
runner = TestRunner()