[master] d141e3a This only requires a single expression

[Federico G. Schwindt]

commit d141e3a8a3a7a3970ce9f34af5f27de7e4301432
Author: Federico G. Schwindt <fgsch at lodoss.net>
Date:   Sat May 20 11:17:05 2017 +0100

    This only requires a single expression

diff --git a/lib/libvcc/vcc_expr.c b/lib/libvcc/vcc_expr.c
index 344b831..abd210e 100644
--- a/lib/libvcc/vcc_expr.c
+++ b/lib/libvcc/vcc_expr.c
@@ -433,7 +433,7 @@ vcc_Eval_Regsub(struct vcc *tl, struct expr **e, const struct symbol *sym,
 	vcc_NextToken(tl);
 
 	bprintf(buf, "VRT_regsub(ctx, %d,\v+\n\v1,\n%s", all, p);
-	*e = vcc_expr_edit(STRING, buf, e2, *e);
+	*e = vcc_expr_edit(STRING, buf, e2, NULL);
 
 	SkipToken(tl, ',');
 	vcc_expr0(tl, &e2, STRING);