[MERGE][1.1][#115781] Limit smart protocol reads to 64k to avoid 'no buffer space available' errors on Windows.

[Vincent Ladeuil]

Vincent Ladeuil has voted tweak.
Status is now: Conditionally approved
Comment:
May be you can use an instance variable to hold the 64 * 1024 magic 
value ?
It would also make it easier to write tests.
Otherwise that patch is trivial enough to be merged.

For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3C20080108055207.GA9962%40steerpike.home.puzzling.org%3E