Specify octal literals with leading '0o' for Python 3 compatibility.

Leading '0' is only supported by Python 2. '0o' will work for Python 2
and 3.

Change-Id: Ib861d6d7885d1e0152de539a0cd982e849ea82d1
diff --git a/git-cookie-authdaemon b/git-cookie-authdaemon
index eb40c30..2ddad35 100755
--- a/git-cookie-authdaemon
+++ b/git-cookie-authdaemon
@@ -90,9 +90,9 @@
     print('Cookie file: %s' % COOKIE_JAR)
 
   if os.path.exists(dir):
-    os.chmod(dir, 0700)
+    os.chmod(dir, 0o700)
   else:
-    os.mkdir(dir, 0700)
+    os.mkdir(dir, 0o700)
   subprocess.call([
     'git', 'config', '--global',
     'http.cookiefile', COOKIE_JAR
diff --git a/git-googlesource-login b/git-googlesource-login
index 35068c2..0c577cb 100755
--- a/git-googlesource-login
+++ b/git-googlesource-login
@@ -40,9 +40,9 @@
 
   dir = os.path.dirname(fn)
   if os.path.exists(dir):
-    os.chmod(dir, 0700)
+    os.chmod(dir, 0o700)
   else:
-    os.mkdir(dir, 0700)
+    os.mkdir(dir, 0o700)
 
   cj = cookielib.MozillaCookieJar(fn)
   if os.path.exists(cj.filename):
@@ -65,7 +65,7 @@
     comment_url = None,
     rest = None))
   cj.save()
-  os.chmod(cj.filename, 0600)
+  os.chmod(cj.filename, 0o600)
   if set_config:
     check_call(git_config + [cj.filename])
   return cj.filename