Fix the naming of anonymous types when 2+ types are nested 2+ levels

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

src/Generator/Passes/CleanInvalidDeclNamesPass.cs

@@ -58,13 +58,12 @@ namespace CppSharp.Passes
                 return false;
 
             DeclarationContext currentContext = context;
-            int parents = 0;
+            int order = -1;
             while (currentContext != null)
             {
-                parents++;
+                order++;
                 currentContext = currentContext.Namespace;
             }
-            int order = parents % 2;
             CheckChildrenNames(context.Declarations, ref order);
 
             var @class = context as Class;

tests/CSharp/CSharp.h

@@ -1311,6 +1311,12 @@ struct {
     struct {
         struct {
             int(*forIntegers)(int b, short s, unsigned int i);
+            struct {
+                int i;
+            } APIHost;
+            struct {
+                int i;
+            } Method;
         } example;
     } root;
 } kotlin;