[PATCH] imm32: Correctly return the size of the required output buffer.

[Akihiro Sagawa]

This fixes a regression introduced by fd7cda93a33c9f65a6c1d1d530738c9fe4b9edf4.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=46851
Signed-off-by: Akihiro Sagawa 
---
 dlls/imm32/imm.c         |  9 +++++++--
 dlls/imm32/tests/imm32.c | 12 ++++++++++++
 2 files changed, 19 insertions(+), 2 deletions(-)