[meld] Simplify code in _command_iter()'s relpath()

[Vincent Legoll <vincele src gnome org>]

commit 384d84e342161fffc7bb9abd86e25fcec97c7502
Author: Vincent Legoll <vincent legoll gmail com>
Date:   Mon Apr 27 21:48:40 2009 +0200

    Simplify code in _command_iter()'s relpath()
---
 vcview.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/vcview.py b/vcview.py
index abff0e4..434790e 100644
--- a/vcview.py
+++ b/vcview.py
@@ -401,8 +401,8 @@ class VcView(melddoc.MeldDoc, gnomeglade.Component):
         yield "[%s] %s" % (self.label_text, msg.replace("\n", u"\u21b2") )
         def relpath(pbase, p):
             kill = 0
-            if p.startswith(pbase):
-                kill = len(pbase) and (len(pbase)+1) or 0
+            if len(pbase) and p.startswith(pbase):
+                kill = len(pbase) + 1
             return p[kill:] or "."
         if len(files) == 1 and os.path.isdir(files[0]):
             workdir = self.vc.get_working_directory(files[0])