Merge lp:~mterry/duplicity/u1-402 into lp:duplicity/0.6

[Michael Terry]

Switch the code we check for out-of-space in u1backend.

=== modified file 'duplicity/backends/u1backend.py'
--- duplicity/backends/u1backend.py	2012-10-17 11:45:25 +0000
+++ duplicity/backends/u1backend.py	2012-10-25 16:21:19 +0000
@@ -91,10 +91,10 @@
                 return resp, content
 
             ecode = log.ErrorCode.backend_error
-            if numcode == 404:
+            if numcode == 402:  # Payment Required
+                ecode = log.ErrorCode.backend_no_space
+            elif numcode == 404:
                 ecode = log.ErrorCode.backend_not_found
-            elif numcode == 507:  # webdav no space
-                ecode = log.ErrorCode.backend_no_space
 
             if n >= globals.num_retries + 1:
                 log.FatalError("Giving up on request after %d attempts, last status %d %s" % (n, numcode.resp.reason), ecode)