[PATCH 4/5] widl: Use type_function_get_args() in more places.

[Marvin]

Hi,

While running your changed tests, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=55468

Your paranoid android.


=== debian10 (build log) ===

error: patch failed: tools/widl/client.c:53
error: patch failed: tools/widl/header.c:863
error: patch failed: tools/widl/proxy.c:195
error: patch failed: tools/widl/server.c:121
error: patch failed: tools/widl/typegen.c:912
error: patch failed: tools/widl/write_msft.c:1301
error: patch failed: tools/widl/parser.y:2668
Task: Patch failed to apply

=== debian10 (build log) ===

error: patch failed: tools/widl/client.c:53
error: patch failed: tools/widl/header.c:863
error: patch failed: tools/widl/proxy.c:195
error: patch failed: tools/widl/server.c:121
error: patch failed: tools/widl/typegen.c:912
error: patch failed: tools/widl/write_msft.c:1301
error: patch failed: tools/widl/parser.y:2668
Task: Patch failed to apply