i#945: x64 syscalls: update IO_STATUS_BLOCK.Information to ULONG_PTR
i#945: x64 syscalls: update IO_STATUS_BLOCK.Information to ULONG_PTR

SVN-Revision: 2090

LohithBlaze/drmemory,LohithBlaze/drmemory,code4bones/drmemory,LohithBlaze/drmemory,sigma-random/drmemory,sigma-random/drmemory,LohithBlaze/drmemory,code4bones/drmemory,LohithBlaze/drmemory,code4bones/drmemory,sigma-random/drmemory,code4bones/drmemory,sigma-random/drmemory,sigma-random/drmemory,code4bones/drmemory