Minor fixes

Security2/Enums.cs

@@ -28,6 +28,7 @@ namespace Security2
         None = 0,
         ListDirectory = 1,
         ReadData = 1,
+        WriteData = 2,
         CreateFiles = 2,
         CreateDirectories = 4,
         AppendData = 4,

Security2/FileSystem/FileSystemAccessRule2 Class/FileSystemAccessRule2.GetFileSystemAccessRules.cs

@@ -32,7 +32,7 @@ namespace Security2
             foreach (FileSystemAccessRule ace in acl)
             {
                 var ace2 = new FileSystemAccessRule2(ace) { FullName = sd.Item.FullName, InheritanceEnabled = !sd.SecurityDescriptor.AreAccessRulesProtected };
-                if (getInheritedFrom)
+                if (getInheritedFrom && inheritedFrom.Count > 0)
                 {
                     ace2.inheritedFrom = string.IsNullOrEmpty(inheritedFrom[aceCounter]) ? "" : inheritedFrom[aceCounter].Substring(0, inheritedFrom[aceCounter].Length - 1);
                     aceCounter++;