windows.gaming.input: Fix a leak on error path (Coverity).

dlls/windows.gaming.input/async.c

@@ -335,6 +335,7 @@ static HRESULT async_info_create( IUnknown *invoker, IUnknown *param, async_oper
                                   IInspectable *outer, IWineAsyncInfoImpl **out )
 {
     struct async_info *impl;
+    HRESULT hr;
 
     if (!(impl = calloc( 1, sizeof(struct async_info) ))) return E_OUTOFMEMORY;
     impl->IWineAsyncInfoImpl_iface.lpVtbl = &async_impl_vtbl;
@@ -346,7 +347,11 @@ static HRESULT async_info_create( IUnknown *invoker, IUnknown *param, async_oper
     impl->handler = HANDLER_NOT_SET;
     impl->status = Started;
     if (!(impl->async_run_work = CreateThreadpoolWork( async_info_callback, &impl->IWineAsyncInfoImpl_iface, NULL )))
-        return HRESULT_FROM_WIN32( GetLastError() );
+    {
+        hr = HRESULT_FROM_WIN32( GetLastError() );
+        free( impl );
+        return hr;
+    }
 
     if ((impl->invoker = invoker)) IUnknown_AddRef( impl->invoker );
     if ((impl->param = param)) IUnknown_AddRef( impl->param );