remote-bzr: remove files before modifications

Allow re-add of a deleted file in the same commit.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

contrib/remote-helpers/git-remote-bzr

@@ -303,10 +303,10 @@ def export_branch(branch, name):
             else:
                 print "merge :%s" % m
 
+        for f in removed:
+            print "D %s" % (f,)
         for f in modified_final:
             print "M %s :%u %s" % f
-        for f in removed:
-            print "D %s" % (f)
         print
 
         count += 1