Style fix for busybox
diff --git a/src/num.c b/src/num.c
index 2ff5873..cff6e59 100644
--- a/src/num.c
+++ b/src/num.c
@@ -33,7 +33,8 @@
 
 static void bc_num_setToZero(BcNum *n, size_t scale) {
 	assert(n);
-	n->neg = (n->len = 0);
+	n->len = 0;
+	n->neg = false;
 	n->rdx = scale;
 }