fixed wrong window dimensions, was reading past endof array and writing past end of bit map
fixed wrong window dimensions, was reading past endof array and writing past end of bit map

git-svn-id: 567ceadc8c7dca9f342cfd1fdb923dd411579874@795 01035d8c-6547-0410-b346-abe4f91aad63

freedv/freedv,freedv/freedv,freedv/freedv