[PATCH] imm32: Exit early in ImmTranslateMessage when there was no new input.

[Piotr Caban]

Signed-off-by: Piotr Caban 
---
The test I'm adding was not working on Mac when Hiragana input method is
used (infinite WM_KEYDOWN message loop).

dlls/imm32/imm.c         | 2 +-
  dlls/imm32/tests/imm32.c | 2 ++
  2 files changed, 3 insertions(+), 1 deletion(-)