dontdiff: add modules.order

Add modules.order to the list of files that
shoud be ignored when using diff on a built
kernel tree.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

Documentation/dontdiff

diff --git a/Documentation/dontdiff b/Documentation/dontdiff
index 354aec0..feae216 100644
--- a/Documentation/dontdiff
+++ b/Documentation/dontdiff
@@ -141,6 +141,7 @@
 mktables
 mktree
 modpost
+modules.order
 modversions.h*
 offset.h
 offsets.h