kill NS_INVISIBLEMACRO, introduce NS_UNDEF

With this patch handle_undef() doesn't corrupt the builtin macros.

This (imho) cleanups the code and is used in the next patches.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>

1 files changed, 1 insertions, 1 deletions

diff --git a/symbol.h b/symbol.h
index 9f61b94..e3b6b45 100644
--- a/symbol.h
+++ b/symbol.h
@@ -32,7 +32,7 @@ enum namespace {
 	NS_SYMBOL = 16,
 	NS_ITERATOR = 32,
 	NS_PREPROCESSOR = 64,
-	NS_INVISIBLEMACRO = 128,
+	NS_UNDEF = 128,
 };
 
 enum type {