[master] Remove unused variable "len" from buildfilename()

diff --git a/lib/dns/dst_api.c b/lib/dns/dst_api.c
index 3a5de99b90e3f47e0c1ff66d6d5bdb694847ec22..9e7aef685dc171cd8c7f7cf9f522377b8efc99b6 100644 (file)
--- a/lib/dns/dst_api.c
+++ b/lib/dns/dst_api.c
@@ -1853,7 +1853,6 @@ buildfilename(dns_name_t *name, dns_keytag_t id,
              const char *directory, isc_buffer_t *out)
 {
        const char *suffix = "";
-       unsigned int len;
        isc_result_t result;
 
        REQUIRE(out != NULL);