WINED3D: Initialise WINED3DVERTEXELEMENT's Reg field in IWineD3DVertexDeclarationImpl_ParseDeclaration9

[H. Verbeet]

D3DVERTEXELEMENT9 doesn't have a Reg field, WINED3DVERTEXELEMENT and
d3d8 vertex declaration elements do.

Changelog:
  - Initialise WINED3DVERTEXELEMENT's Reg field in
IWineD3DVertexDeclarationImpl_ParseDeclaration9
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diff --git a/dlls/wined3d/vertexdeclaration.c b/dlls/wined3d/vertexdeclaration.c
index 653f2b7..f14f6c6 100644
--- a/dlls/wined3d/vertexdeclaration.c
+++ b/dlls/wined3d/vertexdeclaration.c
@@ -383,6 +383,7 @@ static HRESULT IWineD3DVertexDeclaration
     This->pDeclarationWine = HeapAlloc(GetProcessHeap(), 0, This->declaration9NumElements * sizeof(WINED3DVERTEXELEMENT));
     for(i = 0; i < This->declaration9NumElements; ++i) {
         memcpy(This->pDeclarationWine + i, This->pDeclaration9 + i, sizeof(D3DVERTEXELEMENT9));
+        (This->pDeclarationWine + i)->Reg = -1;
     }
 
     This->declarationWNumElements = This->declaration9NumElements;
diff --git a/include/wine/wined3d_types.h b/include/wine/wined3d_types.h
index b265c90..3c76715 100644
--- a/include/wine/wined3d_types.h
+++ b/include/wine/wined3d_types.h
@@ -507,7 +507,7 @@ typedef struct _WINED3DVERTEXELEMENT {
   BYTE    Method;
   BYTE    Usage;
   BYTE    UsageIndex;
-  BYTE    Reg; /* DirectX 8 */
+  int     Reg; /* DirectX 8 */
 } WINED3DVERTEXELEMENT, *LPWINED3DVERTEXELEMENT;