Reordered the CALLBACK and WINAPI directives so that it compiles with
old g++ versions.

diff --git a/include/netspi.h b/include/netspi.h
index af8d2ac..320713e 100644
--- a/include/netspi.h
+++ b/include/netspi.h
@@ -124,7 +124,7 @@
 
 } NOTIFYPERFORMANCEA, *LPNOTIFYPERFORMANCEA;
 
-typedef DWORD (CALLBACK *NOTIFYCALLBACK)(LPNOTIFYINFO,LPVOID);
+typedef DWORD CALLBACK (*NOTIFYCALLBACK)(LPNOTIFYINFO,LPVOID);
 
 DWORD  WINAPI NPSNotifyRegisterA(enum NOTIFYTYPE,NOTIFYCALLBACK);
 #define       NPSNotifyRegister WINELIB_NAME_AW(NPSNotifyRegister)