Avoid setting NOWIN98 compiler optimization with VC 7.
diff --git a/src/glu/sgi/include/gluos.h b/src/glu/sgi/include/gluos.h
index 5743b2c..8eaa7a1 100644
--- a/src/glu/sgi/include/gluos.h
+++ b/src/glu/sgi/include/gluos.h
@@ -52,7 +52,7 @@
 #pragma warning(disable : 4244)
 #pragma warning(disable : 4761)
 
-#if defined(_MSC_VER) && _MSC_VER >= 1200
+#if defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
 #pragma comment(linker, "/OPT:NOWIN98")
 #endif