[2/2] riched20: Implement {ITextRange,ITextSelection}::MoveEnd in case tomStory.

[Jactry Zeng]

Signed-off-by: Jactry Zeng <jzeng(a)codeweavers.com>
---
  dlls/riched20/richole.c       |  54 ++++++++++++++++++--
  dlls/riched20/tests/richole.c | 115 
++++++++++++++++++++++++++++++++++++++++++
  2 files changed, 165 insertions(+), 4 deletions(-)