Fixing app_read so that if a timeout of less than 1 ms is specified,

assume that 1 ms is desired.

(closes issue #11000, reported and patched by michael-fig, with a warning line added by me)



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@85965 65c4cc65-6c06-0410-ace0-fbb531ad65f3