Unify handling of pointers to primitive types.

src/Generator/Generators/CSharp/CSharpMarshal.cs

@@ -270,18 +270,6 @@ namespace CppSharp.Generators.CSharp
 
             var pointee = pointer.Pointee;
 
-            var isVoidPtr = pointee.Desugar().IsPrimitiveType(PrimitiveType.Void);
-
-            var isUInt8Ptr = pointee.Desugar().IsPrimitiveType(PrimitiveType.UInt8);
-
-            if (isVoidPtr || isUInt8Ptr)
-            {
-                if (isUInt8Ptr)
-                    Context.Return.Write("({0})", "uint8*");
-                Context.Return.Write("{0}.ToPointer()", Context.Parameter.Name);
-                return true;
-            }
-
             if (pointee.IsPrimitiveType(PrimitiveType.Char) ||
                 pointee.IsPrimitiveType(PrimitiveType.WideChar))
             {
@@ -311,6 +299,13 @@ namespace CppSharp.Generators.CSharp
                 return true;
             }
 
+            PrimitiveType primitive;
+            if (pointee.IsPrimitiveType(out primitive))
+            {
+                Context.Return.Write("{0}.ToPointer()", Context.Parameter.Name);
+                return true;
+            }
+
             return pointee.Visit(this, quals);
         }