svc/conntrack.in (strmask): Consistently return a string object.

Inexplicably, this used to return an integer if the mask covered a
prefix.  Fortunately, it was always invoked in order to produce a thing
which is printed via `%s', which stringifies anyway.

diff --git a/svc/conntrack.in b/svc/conntrack.in
index 1b9f581..a55e4c3 100644 (file)
--- a/svc/conntrack.in
+++ b/svc/conntrack.in
@@ -197,7 +197,7 @@ CF = None
 def straddr(a): return a is None and '#<none>' or S.inet_ntoa(pack('>L', a))
 def strmask(m):
   for i in xrange(33):
-    if m == 0xffffffff ^ ((1 << (32 - i)) - 1): return i
+    if m == 0xffffffff ^ ((1 << (32 - i)) - 1): return str(i)
   return straddr(m)
 
 def cmd_showconfig():