site: generate_msg: Introduce `privkey' variable

No functional change, but this will make a forthcoming commit easier
to read.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/site.c b/site.c
index 03d1e06758492c0e18585226bf07f0522d788521..ce185d4d46aa03ee4e4c2d6b215deb88278351cf 100644 (file)
--- a/site.c
+++ b/site.c
@@ -650,6 +650,7 @@ static bool_t generate_msg(struct site *st, uint32_t type, cstring_t what,
     if (type_is_msg34(type)) {
        buf_append_uint16(&st->buffer,st->mtu_target);
     }
+    struct sigprivkey_if *privkey=st->privkey;
     append_string_xinfo_done(&st->buffer,&xia);
 
     buf_append_string(&st->buffer,st->remotename);
@@ -670,10 +671,10 @@ static bool_t generate_msg(struct site *st, uint32_t type, cstring_t what,
     buf_append_string(&st->buffer,dhpub);
     free(dhpub);
 
-    bool_t ok=st->privkey->sign(st->privkey->st,
-                               st->buffer.start,
-                               st->buffer.size,
-                               &st->buffer);
+    bool_t ok=privkey->sign(privkey->st,
+                           st->buffer.start,
+                           st->buffer.size,
+                           &st->buffer);
     if (!ok) goto fail;
     return True;