Add define for my_getpagesize to 8192(reworked in 5.0)

include/my_sys.h

@@ -863,7 +863,12 @@ my_bool my_gethwaddr(uchar *to);
 #define HAVE_MMAP
 #endif
 
+#ifndef __NETWARE__
 int my_getpagesize(void);
+#else
+#define my_getpagesize() 8192
+#endif
+
 void *my_mmap(void *, size_t, int, int, int, my_off_t);
 int my_munmap(void *, size_t);
 #endif