[PATCH] winemac.drv: use NI_COMPOSITIONSTR/CPS_CANCEL when composition string is empty

[Aric Stewart]

This sends the expected WM_IME_ENDCOMPOSITION message

Signed-off-by: Aric Stewart 
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 dlls/winemac.drv/ime.c | 32 +++++++++++++++++---------------
 1 file changed, 17 insertions(+), 15 deletions(-)