widl: Fix the length used when clearing alignment space in generated files.

[Robert Shearman]

Only do the clearing when marshalling a base type.
---
  tools/widl/typegen.c |    3 ++-
  1 files changed, 2 insertions(+), 1 deletions(-)
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 49db3953e4c0bcea8e909aaec22c3161bd407733.diff
Type: text/x-patch
Size: 715 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20071219/5d6c5479/attachment-0001.bin