Fixed invalid code generated for typedef pointer params by the C++/CLI back-end.

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

src/Generator/Generators/CLI/CLIMarshal.cs

@@ -623,7 +623,7 @@ namespace CppSharp.Generators.CLI
                 return;
             }
 
-            if (!Context.Parameter.Type.SkipPointerRefs().IsPointer())
+            if (!Context.Parameter.Type.Desugar().SkipPointerRefs().IsPointer())
             {
                 Context.Return.Write("*");
 

tests/Basic/Basic.cpp

@@ -19,6 +19,10 @@ const char* Foo::GetANSI()
 	return "ANSI";
 }
 
+void Foo::TakesTypedefedPtr(FooPtr date)
+{
+}
+
 Foo2::Foo2() {}
 
 Foo2 Foo2::operator<<(signed int i)

tests/Basic/Basic.h

@@ -39,6 +39,10 @@ public:
     // Primitive pointer types
     const int* SomePointer;
     const int** SomePointerPointer;
+
+    typedef Foo* FooPtr;
+
+    void TakesTypedefedPtr(FooPtr date);
 };
 
 struct DLL_API Bar