applied patch from Craig A. Berry to get libxml-2.5.7 to compile on

* triodef.h vms/build_libxml.com: applied patch from Craig A. Berry
  to get libxml-2.5.7 to compile on OpenVMS
Daniel
diff --git a/triodef.h b/triodef.h
index f4a7a02..0fd32fb 100644
--- a/triodef.h
+++ b/triodef.h
@@ -194,7 +194,7 @@
  */
 # pragma message disable (UNDERFLOW, FLOATOVERFL)
 
-# if (__CRTL_VER > 80000000)
+# if (__CRTL_VER < 80000000)
 /*
  * Although the compiler supports C99 language constructs, the C
  * run-time library does not contain all C99 functions.