Fix chmod, pt5000

Signed-off-by: René Jochum <rene@jochum.dev>

start.py

@@ -37,7 +37,7 @@ for postfix_file in glob.glob("/conf/**/**.cf", recursive=True):
 
     destination = str(p)
     shutil.copyfile(postfix_file, destination)
-    os.chmod(destination, 0o600)
+    os.chmod(destination, 600)
 
 for postfix_file in glob.glob("/conf/**/**.cf.jinja", recursive=True):
     p = pathlib.Path(postfix_file)
@@ -49,7 +49,7 @@ for postfix_file in glob.glob("/conf/**/**.cf.jinja", recursive=True):
     destination = str(p)
     destination = destination[0:-6] # Remove .jinja from the output path
     jinja_render_file(postfix_file, os.environ, destination)
-    os.chmod(destination, 0x600)
+    os.chmod(destination, 600)
 
 if os.path.exists("/overrides/postfix.cf"):
     for line in open("/overrides/postfix.cf").read().strip().split("\n"):