peel_ref: do not return a null sha1

diff --git a/builtin/mailinfo.c b/builtin/mailinfo.c
index 18895ee4d9c987ec97d6781a5ffe5ec935bf19c7..9973bd9099c7b65ad2ce56bb1b1b806279b0beab 100644 (file)
--- a/builtin/mailinfo.c
+++ b/builtin/mailinfo.c
@@ -160,10 +160,9 @@ static int slurp_attr(const char *line, const char *name, struct strbuf *attr)
        const char *ends, *ap = strcasestr(line, name);
        size_t sz;
 
-       if (!ap) {
-               strbuf_setlen(attr, 0);
+       strbuf_setlen(attr, 0);
+       if (!ap)
                return 0;
-       }
        ap += strlen(name);
        if (*ap == '"') {
                ap++;