gcc/parse-config: changed to export CXX properly in stage 0 (see note!)

Note:

In my opinion it is perfectly safe to export CXX in toolchain stage because
I can see no reason why we can't assume that the build host has a properly
installed C++ compiler available.

base/gcc/parse-config

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../gcc/parse-config
-# Copyright (C) 2008 The OpenSDE Project
+# Copyright (C) 2008 - 2010 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 # Copyright (C) 1998 - 2003 Clifford Wolf
 #
@@ -43,7 +43,7 @@ for x in CC CXX F77 ; do
 		case "$x-$stagelevel" in
 		    CC-*)
 			z="${archprefix}gcc ${archprefix}gcc" ;;
-		    CXX-[1-9])
+		    CXX-*)
 			z="${archprefix}g++ ${archprefix}g++" ;;
 		    F77-[2-9])
 			z="${archprefix}g77 ${archprefix}g77" ;;