Add missing typecheck typemaps for std::auto_ptr and std::unique_ptr

To fix overloading when using these types.

Examples/test-suite/mzscheme/cpp11_std_unique_ptr_runme.scm

@@ -79,6 +79,15 @@
 (takeKlassUniquePtr (make-null))
 (checkCount 0)
 
+; overloaded parameters
+(unless (= (overloadTest) 0)
+  (error "overloadTest failed"))
+(unless (= (overloadTest null) 1)
+  (error "overloadTest failed"))
+(unless (= (overloadTest (new-Klass "over")) 1)
+  (error "overloadTest failed"))
+(checkCount 0)
+
 
 ; unique_ptr as output
 (define k1 (makeKlassUniquePtr "first"))