[PATCH] widl: Check function return values for additional prototype types.

[Jacek Caban]

Signed-off-by: Jacek Caban 
---
  tools/widl/header.c    | 135 ++++++++++++++++++++---------------------
  tools/widl/parser.y    |   6 +-
  tools/widl/widltypes.h |   2 +-
  3 files changed, 71 insertions(+), 72 deletions(-)