shdocvw/tests: Fix a test on IE 5.x.

dlls/shdocvw/tests/shdocvw.c

@@ -112,12 +112,16 @@ static void test_URLSubRegQueryA(void)
     ok((hr == S_OK) && !used,
         "got 0x%x and %d (expected S_OK and 0)\n", hr, used);
 
-    /* size of buffer is 0, but the function still succeed */
+    /* size of buffer is 0, but the function still succeed.
+       buffer[0] is cleared in IE 5.01 and IE 5.5 (Buffer Overflow) */
     memset(buffer, '#', sizeof(buffer)-1);
     buffer[sizeof(buffer)-1] = '\0';
     hr = pURLSubRegQueryA(regpath_iemain, start_page, REG_SZ, buffer, 0, -1);
     used = lstrlenA(buffer);
-    ok((hr == S_OK) && (used == INTERNET_MAX_URL_LENGTH - 1), "got 0x%x and %d\n", hr, used);
+    ok( (hr == S_OK) &&
+        ((used == INTERNET_MAX_URL_LENGTH - 1) || broken(used == 0)) ,
+        "got 0x%x and %d (expected S_OK and INTERNET_MAX_URL_LENGTH - 1)\n",
+        hr, used);
 
     /* still succeed without a buffer for the result */
     hr = pURLSubRegQueryA(regpath_iemain, start_page, REG_SZ, NULL, 0, -1);