tools/widl/typegen.c pointer initialization

[Dan Kegel]

Dan H. wrote:
> If you tell me what options you build with and I can reproduce the
> warning then I'll be more than happy to try to fix it.  I build widl
> with -W -Wall and get two warnings.

To get uninitialized warnings, you have to also specify
optimization (-O2).  Without -O, gcc doesn't
do the analysis that can detect uninitialized variables.
- Dan