Fix runit.py script on windows.

scripts/tools/runit.py

Index: scripts/tools/runit.py
diff --git a/scripts/tools/runit.py b/scripts/tools/runit.py
index 8180e74b3eb69b0b1536a9739890affdcb81f059..7a3322e05c20a30bbb2c755ea85033c0648ee7cb 100755
--- a/scripts/tools/runit.py
+++ b/scripts/tools/runit.py
@@ -85,6 +85,10 @@ def main():
   if options.show_path:
     print 'Set PYTHONPATH: %s' % os.environ['PYTHONPATH']
 
+  # Windows must call python as the subprocess executable.
+  if 'win' in sys.platform.lower():

[dnj, 2015/02/12 00:55:22]

The best way to check for Windows is probably
https://docs.python.org/2/library/platform.html#platform.system

Any reason not to just do this for all OSes?

[David Yen, 2015/02/12 17:17:40]

Only to be less intrusive, you're right that is is probably better. Done.

+    args = [sys.executable] + args
+
   # Use subprocess instead of execv because otherwise windows destroys quoting.
   p = subprocess.Popen(args)
   p.wait()