remove useless and confusing parentheses in stdio __towrite function

they seem to be relics of e3cd6c5c265cd481db6e0c5b529855d99f0bda30
where this code was refactored from a check that previously masked
against (F_ERR|F_NOWR) instead of just F_NOWR.

diff --git a/src/stdio/__towrite.c b/src/stdio/__towrite.c
index 0a69d926dc3c10547a00ae9f7b8517c188078c68..b022cbcacc39358112561a4b8d69db0c590f5ca0 100644 (file)
--- a/src/stdio/__towrite.c
+++ b/src/stdio/__towrite.c
@@ -3,7 +3,7 @@
 int __towrite(FILE *f)
 {
        f->mode |= f->mode-1;
-       if (f->flags & (F_NOWR)) {
+       if (f->flags & F_NOWR) {
                f->flags |= F_ERR;
                return EOF;
        }