fix warnings

diff --git a/preprocessor.c b/preprocessor.c
index f9cc49b..b50f70a 100644 (file)
--- a/preprocessor.c
+++ b/preprocessor.c
@@ -1556,7 +1556,7 @@ static void parse_ifdef_ifndef_directive(void)
                condition = true;
        } else {
                /* evaluate wether we are in true or false case */
-               condition = !pp_token.base.symbol->pp_definition == is_ifndef;
+               condition = (bool)!pp_token.base.symbol->pp_definition == is_ifndef;
 
                next_preprocessing_token();