- Modified DNAClassAttribute to also support usage on structs

- Added auto generation of DNAClass attributes on file generation
- Regenerated all files

BlendFile/DNA/UserDef_SpaceData.cs

@@ -13,6 +13,7 @@ using System;
 namespace BlendFile.DNA {
     using BlendFile;
     
+    [DNAClassAttribute(1010, "UserDef_SpaceData")]
     public struct UserDef_SpaceData {
         [DNAFieldAttribute(0, "char", "section_active", 1)]
         public char section_active;