config: Make c.mtu always be an integer, not a string

We are going to want to use this other than just to feed to ipif.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/hippotatlib/__init__.py b/hippotatlib/__init__.py
index dad12b2905434b59380f01f38fbdc8069a8ead3f..6c60eefc9cd410453d741ab047db0041ec00b099 100644 (file)
--- a/hippotatlib/__init__.py
+++ b/hippotatlib/__init__.py
@@ -578,7 +578,7 @@ def cfg_process_ipif(c, sections, varmap):
     except AttributeError: continue
     setattr(c, d, v)
   for d in ('mtu',):
-    v = cfg_search(cfg.get, d, sections)
+    v = cfg_search(cfg1getint, d, sections)
     setattr(c, d, v)
 
   #print('CFGIPIF',repr((varmap, sections, c.__dict__)),file=sys.stderr)