oleaut32/tests: Don't crash if ITypeInfo_GetTypeAttr fails.

dlls/oleaut32/tests/typelib.c

@@ -772,15 +772,17 @@ if(use_midl_tlb) {
 
     hr = ITypeInfo_GetTypeAttr(pTI, &pTA);
     ok(hr == S_OK, "hr %08x\n", hr);
-    ok(pTA->typekind == TKIND_DISPATCH, "kind %04x\n", pTA->typekind);
-    ok(pTA->cbSizeVft == 7 * sizeof(void *), "sizevft %d\n", pTA->cbSizeVft);
-if(use_midl_tlb) {
-    ok(pTA->wTypeFlags == TYPEFLAG_FDUAL, "typeflags %x\n", pTA->wTypeFlags);
- }
-    ok(pTA->cFuncs == 8, "cfuncs %d\n", pTA->cFuncs);
-    ok(pTA->cImplTypes == 1, "cimpltypes %d\n", pTA->cImplTypes);
-    ITypeInfo_ReleaseTypeAttr(pTI, pTA);
-
+    if (hr == S_OK)
+    {
+        ok(pTA->typekind == TKIND_DISPATCH, "kind %04x\n", pTA->typekind);
+        ok(pTA->cbSizeVft == 7 * sizeof(void *), "sizevft %d\n", pTA->cbSizeVft);
+        if(use_midl_tlb) {
+            ok(pTA->wTypeFlags == TYPEFLAG_FDUAL, "typeflags %x\n", pTA->wTypeFlags);
+        }
+        ok(pTA->cFuncs == 8, "cfuncs %d\n", pTA->cFuncs);
+        ok(pTA->cImplTypes == 1, "cimpltypes %d\n", pTA->cImplTypes);
+        ITypeInfo_ReleaseTypeAttr(pTI, pTA);
+    }
     hr = ITypeInfo_GetRefTypeOfImplType(pTI, 0, &href);
     ok(hr == S_OK, "hr %08x\n", hr);
     hr = ITypeInfo_GetRefTypeInfo(pTI, href, &pTI_p);