[PATCH 3/3] riched20: Get ITextRange interface from QueryInterface instead of casting.

[Jactry Zeng]

Signed-off-by: Jactry Zeng <jzeng(a)codeweavers.com>
---
  dlls/riched20/richole.c | 26 ++++++++++++++++++++++----
  1 file changed, 22 insertions(+), 4 deletions(-)