Changing the value passed to malloc to be size_t instead of int
Changing the value passed to malloc to be size_t instead of int

We should not pass a negative number to malloc. Making size
of type size_t to emphasize this.

git-svn-id: ae38cf1093b87151f738d2b2220cac7742ad2e55@794 64e312b2-a51f-0410-8e61-82d0ca0eb02a

lubosz/check,lubosz/check,lubosz/check,lubosz/check