[dlls/shdocvw] Initialize variable (Coverity)

[Nikolay Sivov]

On 2/1/2011 17:14, Paul Vriens wrote:
> Hi,
>
> Addresses Coverity #1090.
>
> If CoCreateInstance() fails we check the uninitialized urlfile variable.
Same story with urlobj. In fact it looks better to try CoCreateInstance 
first, before anything else like lstrcpy and just return earlier on failure.