Fix already taken -a option

now -av

Author: LokiMidgard

XmlSchemaClassGenerator.Console/Program.cs

@@ -76,7 +76,7 @@ A file name may be given by appending a pipe sign (|) followed by a file name (l
                 { "f|ef", "generate Entity Framework Code First compatible classes", v => entityFramework = v != null },
                 { "t|interface", "generate interfaces for groups and attribute groups (default is enabled)", v => interfaces = v != null },
                 { "a|pascal", "use Pascal case for class and property names (default is enabled)", v => pascal = v != null },
-                { "a|assemblyVisible", "use the internal visibility modifier (default is false)", v => assembly = v != null },
+                { "av|assemblyVisible", "use the internal visibility modifier (default is false)", v => assembly = v != null },
                 { "u|enableUpaCheck", "should XmlSchemaSet check for Unique Particle Attribution (UPA) (default is enabled)", v => enableUpaCheck = v != null },
                 { "ct|collectionType=", "collection type to use (default is " + typeof(Collection<>).FullName + ")", v => collectionType = v == null ? typeof(Collection<>) : Type.GetType(v, true) },
                 { "cit|collectionImplementationType=", "the default collection type implementation to use (default is null)", v => collectionImplementationType = v == null ? null : Type.GetType(v, true) },