run-tests: don't double lines on build failure output

tests/run-tests.py

@@ -1701,7 +1701,7 b' class TestRunner(object):'
         else:
             f = open(installerrs, 'rb')
             for line in f:
-                print line,
+                print line
             f.close()
             sys.exit(1)
         os.chdir(self._testdir)