patch to NativeCall test suite so that the tests pass on my 32bit system

gistfile1.txt

diff --git a/t/05-arrays.t b/t/05-arrays.t
index ab9797e..a11f8d3 100644
--- a/t/05-arrays.t
+++ b/t/05-arrays.t
@@ -49,7 +49,7 @@ compile_test_lib('05-arrays');
 
 {
     class Struct is repr('CStruct') {
-        has int $.val;
+        has int32 $.val;
 
         method set($x) {
             $!val = $x;
diff --git a/t/06-struct.t b/t/06-struct.t
index 79f09b9..6e2fc7e 100644
--- a/t/06-struct.t
+++ b/t/06-struct.t
@@ -8,7 +8,7 @@ plan 30;
 compile_test_lib('06-struct');
 
 class MyStruct is repr('CStruct') {
-    has int    $.int;
+    has int32  $.int;
     has num    $.num;
     has int8   $.byte;
     has num32  $.float;
@@ -19,7 +19,7 @@ class MyStruct is repr('CStruct') {
         $!byte = 7;
         $!num = -3.7e0;
         $!float = 3.14e0;
-        my $arr := CArray[int].new();
+        my $arr := CArray[int32].new();
         $arr[0] = 1;
         $arr[1] = 2;
         $!arr := $arr;
@@ -29,16 +29,16 @@ class MyStruct is repr('CStruct') {
 # Workaround a Rakudo-bug where $!arr := CArray[int].new() won't work if $.arr
 # is declared as type CArray[int].
 class MyStruct2 is repr('CStruct') {
-    has int         $.int;
+    has int32       $.int;
     has num         $.num;
     has int8        $.byte;
     has num32       $.float;
-    has CArray[int] $.arr;
+    has CArray[int32] $.arr;
 }
 
 class IntStruct is repr('CStruct') {
-    has int $.first;
-    has int $.second;
+    has int32 $.first;
+    has int32 $.second;
 
     # Work around struct members not being containerized yet.
     method init {
diff --git a/t/08-callbacks.t b/t/08-callbacks.t
index 7990981..001bdd8 100644
--- a/t/08-callbacks.t
+++ b/t/08-callbacks.t
@@ -8,8 +8,8 @@ plan(9);
 compile_test_lib('08-callbacks');
 
 class Struct is repr('CStruct') {
-    has Str $.str;
-    has int $.ival;
+    has Str   $.str;
+    has int32 $.ival;
 
     method init {
         $!str := 'Tweedledum, tweedledee';