Fix public issue 66: Document GetUncompressedLength better, in particular that
it leaves the source in a state that's not appropriate for RawUncompress.

R=sanjay


git-svn-id: https://snappy.googlecode.com/svn/trunk@67 03e5f5b5-db94-4691-08a0-1a8bf15f6143
1 file changed