Use absolute paths in addremove.

This is more consistent with other places in the code, which only use
the "relpath" returned by cmdutil.walk for display purposes.

mercurial/cmdutil.py

@@ -186,13 +186,15 b' def addremove(repo, pats=[], opts={}, wl'
     add, remove = [], []
     mapping = {}
     for src, abs, rel, exact in walk(repo, pats, opts):
+        target = repo.wjoin(abs)
         if src == 'f' and repo.dirstate.state(abs) == '?':
             add.append(abs)
             mapping[abs] = rel, exact
             if repo.ui.verbose or not exact:
                 repo.ui.status(_('adding %s\n') % ((pats and rel) or abs))
-        islink = os.path.islink(rel)
-        if repo.dirstate.state(abs) != 'r' and not islink and not os.path.exists(rel):
+        islink = os.path.islink(target)
+        if (repo.dirstate.state(abs) != 'r' and not islink
+            and not os.path.exists(target)):
             remove.append(abs)
             mapping[abs] = rel, exact
             if repo.ui.verbose or not exact: