Round #3 of scan-build warnings cleanup

kuser/kinit.c

@@ -798,6 +798,9 @@ ticket_lifetime(krb5_context context, krb5_ccache cache, krb5_principal client,
 
     memset(&in_cred, 0, sizeof(in_cred));
 
+    if (renew != NULL)
+        *renew = 0;
+
     ret = krb5_cc_get_principal(context, cache, &in_cred.client);
     if (ret) {
 	krb5_warn(context, ret, "krb5_cc_get_principal");

kuser/klist.c

@@ -503,8 +503,10 @@ list_caches(krb5_context context, struct klist_options *opt)
     def_name = strdup(cdef_name);
 
     ret = krb5_cccol_cursor_new(context, &cursor);
-    if (ret == KRB5_CC_NOSUPP)
+    if (ret == KRB5_CC_NOSUPP) {
+        free(def_name);
 	return 0;
+    }
     else if (ret)
 	krb5_err (context, 1, ret, "krb5_cc_cache_get_first");