widl: All VARDESC fields of TKIND_UNION should have oInst=0.

Also fix uninitialized value in this field for TKIND_DISPATCH. Signed-off-by: Kevin Puetz <PuetzKevinA@JohnDeere.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

widl: All VARDESC fields of TKIND_UNION should have oInst=0.
44ccc4f6 · Kevin Puetz · Alexandre Julliard · b43041d7 · 44ccc4f6
Commit 44ccc4f6 authored Sep 17, 2020 by Kevin Puetz Committed by Alexandre Julliard Sep 18, 2020
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write_msft.c tools/widl/write_msft.c +2 -1

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--- a/tools/widl/write_msft.c
+++ b/tools/widl/write_msft.c
@@ -1746,11 +1746,12 @@ static HRESULT add_var_desc(msft_typeinfo_t *typeinfo, UINT index, var_t* var)
        typeinfo->datawidth += var_datawidth;
        break;
    case TKIND_UNION:
-        typedata[4] = typeinfo->datawidth;
+        typedata[4] = 0;
        typeinfo->datawidth = max(typeinfo->datawidth, var_datawidth);
        break;
    case TKIND_DISPATCH:
        var_kind = 3; /* VAR_DISPATCH */
+        typedata[4] = 0;
        typeinfo->datawidth = pointer_size;
        break;
    default: