silence clang

(cherry picked from commit 7b60f6832e702507f2cec23f22ab9cf4abacc1e4)

diff --git a/bin/dig/nslookup.c b/bin/dig/nslookup.c
index 9eccb08d6a22fb47c5decca956969300befb6f1d..ba3f70ed89e0708b921db82139ce1a286990ea6f 100644 (file)
--- a/bin/dig/nslookup.c
+++ b/bin/dig/nslookup.c
@@ -913,7 +913,7 @@ parse_args(int argc, char **argv) {
        bool have_lookup = false;
 
        usesearch = true;
-       for (argc--, argv++; argc > 0; argc--, argv++) {
+       for (argc--, argv++; argc > 0 && argv[0] != NULL; argc--, argv++) {
                debug("main parsing %s", argv[0]);
                if (argv[0][0] == '-') {
                        if (strncasecmp(argv[0], "-ver", 4) == 0) {