HACK/base: placehold the callback parameter

The previous error downgrade exposes the fact that the callback had a
new parameter added that we did not provide on Windows.  Provide a
placeholder for now.

Author: compnerd

CoreFoundation/Base.subproj/CFFileUtilities.c

@@ -1060,7 +1060,7 @@ CF_PRIVATE void _CFIterateDirectory(CFStringRef directoryPath, Boolean appendSla
                 }
 
                 Boolean isDirectory = file.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
-                Boolean result = fileHandler(fileName, isDirectory ? DT_DIR : DT_REG);
+                Boolean result = fileHandler(fileName, NULL, isDirectory ? DT_DIR : DT_REG);
                 CFRelease(fileName);
                 if (!result) break;
             } while (FindNextFileW(handle, &file));