OS/2 TB bustage

Make OS/2 interfaces _System. Might cause OS/2 breakage - I'm testing it as fast as I can.

xpcom/base/nsCom.h

@@ -82,18 +82,18 @@
 #elif defined(XP_OS2)
 
 #define NS_EXPORT
-#define NS_EXPORT_(type) type
+#define NS_EXPORT_(type) type _System
 
-#define NS_IMETHOD_(type) virtual type
-#define NS_IMETHOD virtual nsresult
-#define NS_IMETHODIMP_(type) type
-#define NS_IMETHODIMP nsresult
+#define NS_IMETHOD_(type) virtual type _System
+#define NS_IMETHOD virtual nsresult _System
+#define NS_IMETHODIMP_(type) type _System
+#define NS_IMETHODIMP nsresult _System
 
-#define NS_METHOD_(type) type
-#define NS_METHOD nsresult
+#define NS_METHOD_(type) type _System
+#define NS_METHOD nsresult _System
 
-#define NS_CALLBACK_(_type, _name) _type ( _System * _name)
-#define NS_CALLBACK(_name) nsresult (* _name)
+#define NS_CALLBACK_(_type, _name) _type (_System * _name)
+#define NS_CALLBACK(_name) nsresult (_System * _name)
 
 #else  /* !XP_WIN && !XP_MAC && !XP_OS2 */