include stddef.h to get ptrdiff_t decl (IRIX compilation problem)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@17153 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/include/wx/hashmap.h b/include/wx/hashmap.h
index 9b635e8a075aebfabb27926f8e7ea74c5ceb53ba..316abdec50809dc9b00b19a4445ab84dbd2beccb 100644 (file)
--- a/include/wx/hashmap.h
+++ b/include/wx/hashmap.h
@@ -16,6 +16,8 @@
 #pragma interface "hashmap.h"
 #endif
 
+#include <stddef.h>         // for ptrdiff_t
+
 #include "wx/string.h"
 
 // private