Fix insertion of radio menu items in wxOSX wxMenu.

[wxWidgets.git] / include / wx / string.h

diff --git a/include/wx/string.h b/include/wx/string.h
index 53ae8907d8b0185320b00251412fc71c9ecb392e..ad47cd2fbcf9c62ad88a183468b51eb4e94167f4 100644 (file)
--- a/include/wx/string.h
+++ b/include/wx/string.h
@@ -889,7 +889,7 @@ public:
       public:                                                               \
           WX_DEFINE_ITERATOR_CATEGORY(WX_STR_ITERATOR_TAG)                  \
           typedef wxUniChar value_type;                                     \
-          typedef int difference_type;                                      \
+          typedef ptrdiff_t difference_type;                                \
           typedef reference_type reference;                                 \
           typedef pointer_type pointer;                                     \
                                                                             \