shell32: Use FAILED instead of !SUCCEEDED.

dlls/shell32/shellpath.c

@@ -3423,10 +3423,10 @@ static HRESULT get_known_folder_path(
     {
         /* get parent's known folder path (recursive) */
         hr = get_known_folder_registry_path(NULL, parentGuid, &parentRegistryPath);
-        if(!SUCCEEDED(hr)) return hr;
+        if(FAILED(hr)) return hr;
 
         hr = get_known_folder_path(parentGuid, parentRegistryPath, &parentPath);
-        if(!SUCCEEDED(hr)) {
+        if(FAILED(hr)) {
             HeapFree(GetProcessHeap(), 0, parentRegistryPath);
             return hr;
         }

dlls/shell32/tests/brsfolder.c

@@ -204,7 +204,7 @@ static void test_click_make_new_folder_button(void)
         test_folder_pathW, MAX_PATH);
     hr = SHGetDesktopFolder(&test_folder_object);
     ok (SUCCEEDED(hr), "SHGetDesktopFolder failed with hr 0x%08x\n", hr);
-    if (!SUCCEEDED(hr)) {
+    if (FAILED(hr)) {
         skip("SHGetDesktopFolder failed - skipping\n");
         return;
     }
@@ -331,7 +331,7 @@ static void test_selection(void)
 
     hr = SHGetDesktopFolder(&desktop_object);
     ok (SUCCEEDED(hr), "SHGetDesktopFolder failed with hr 0x%08x\n", hr);
-    if (!SUCCEEDED(hr)) {
+    if (FAILED(hr)) {
         skip("SHGetDesktopFolder failed - skipping\n");
         return;
     }