rawdata: update caller in wireprotov2server

We update callers incrementally because this help bisecting failures. This was
useful during development, so we expect it might be useful again in the future.

mercurial/wireprotov2server.py

@@ -937,7 +937,7 b' def changesetdata(repo, proto, revisions'
         followingdata = []
 
         if b'revision' in fields:
-            revisiondata = cl.revision(node, raw=True)
+            revisiondata = cl.rawdata(node)
             followingmeta.append((b'revision', len(revisiondata)))
             followingdata.append(revisiondata)