[PATCH] Add comment about this test failing under bzr 1.13 due to a bug in bzr

[Greg Ward]

# HG changeset patch
# User Greg Ward <greg-hg at gerg.ca>
# Date 1240142153 14400
# Node ID 335c634f9acfd88374ff7bbb2c9c294272f89057
# Parent  6ea0318daf75b0b0b998f22f0cc33a8c2ba22905
Add comment about this test failing under bzr 1.13 due to a bug in bzr.

diff --git a/tests/test-convert-bzr-merges b/tests/test-convert-bzr-merges
--- a/tests/test-convert-bzr-merges
+++ b/tests/test-convert-bzr-merges
@@ -1,5 +1,9 @@
 #!/bin/sh
 
+# N.B. bzr 1.13 has a bug that breaks this test.  If you see this
+# test fail, check your bzr version.  Upgrading to bzr 1.13.1
+# should fix it.
+
 . "$TESTDIR/bzr-definitions"
 
 echo % test multiple merges at once