silence clang

(cherry picked from commit 7b60f6832e702507f2cec23f22ab9cf4abacc1e4)

diff --git a/bin/dig/nslookup.c b/bin/dig/nslookup.c
index b55854d3440739ef93f99d822effe167468cbbd4..063624cd5b55b6eb286bb67b93512a8230212436 100644 (file)
--- a/bin/dig/nslookup.c
+++ b/bin/dig/nslookup.c
@@ -901,7 +901,7 @@ 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) {