ole32: Add a test for StgStreamImpl_SetSize with a non-zero HighPart for the size.

dlls/ole32/tests/storage32.c

@@ -308,6 +308,9 @@ static void test_storage_stream(void)
     ok(r==S_OK, "failed to seek stream\n");
     r = IStream_SetSize(stm,p);
     ok(r==S_OK, "failed to set pos\n");
+    p.u.HighPart = 1;
+    r = IStream_SetSize(stm,p);
+    ok(r==STG_E_INVALIDFUNCTION, "setting to invalid pos should fail with STG_E_INVALIDFUNCTION instead of error 0x%08x\n", r);
     pos.QuadPart = 10;
     r = IStream_Seek(stm, pos, STREAM_SEEK_SET, &p );
     ok(r==S_OK, "failed to seek stream\n");