i#1100: Don't report syscall reads in the post callback
i#1100: Don't report syscall reads in the post callback

I hit NtUserTrackMouseEvent on chrome, and found the two others by
manual inspection.

Fixes issue 1100.

Review URL: https://codereview.appspot.com/6979045

SVN-Revision: 1146

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