negotiate_kerberos_auth: Fix build [-Wunused-but-set-variable] (#1294)

Unused variable discovered by clang v15.

diff --git a/src/auth/negotiate/kerberos/negotiate_kerberos_auth.cc b/src/auth/negotiate/kerberos/negotiate_kerberos_auth.cc
index ca91f9382ea9c194b0eb64e46d11a5581b2858b8..42d55aee1e33ede84db9fe0a543a5cfb9017e007 100644 (file)
--- a/src/auth/negotiate/kerberos/negotiate_kerberos_auth.cc
+++ b/src/auth/negotiate/kerberos/negotiate_kerberos_auth.cc
@@ -94,8 +94,8 @@ gethost_name(void)
      * char hostname[sysconf(_SC_HOST_NAME_MAX)];
      */
     char hostname[1024];
-    struct addrinfo *hres = NULL, *hres_list;
-    int rc, count;
+    struct addrinfo *hres = nullptr, *hres_list;
+    int rc;
 
     rc = gethostname(hostname, sizeof(hostname)-1);
     if (rc) {
@@ -114,9 +114,7 @@ gethost_name(void)
         return NULL;
     }
     hres_list = hres;
-    count = 0;
     while (hres_list) {
-        ++count;
         hres_list = hres_list->ai_next;
     }
     rc = getnameinfo(hres->ai_addr, hres->ai_addrlen, hostname,