[git commit] nslookup: fix output corruption for "nslookup 1.2.3.4"

[Denys Vlasenko]

commit: https://git.busybox.net/busybox/commit/?id=4e73c0f659738f141583bbf92b3df5346d5fb3c0
branch: https://git.busybox.net/busybox/commit/?id=refs/heads/master

function                                             old     new   delta
nslookup_main                                       1832    1837      +5

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 networking/nslookup.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/networking/nslookup.c b/networking/nslookup.c
index feeec15aa..92e07e8b1 100644
--- a/networking/nslookup.c
+++ b/networking/nslookup.c
@@ -797,11 +797,9 @@ int nslookup_main(int argc UNUSED_PARAM, char **argv)
 			char buf80[80];
 
 			ptr = make_ptr(buf80, *argv);
-
 			if (ptr) {
-				add_query(&queries, &n_queries, T_PTR, ptr);
-			}
-			else {
+				add_query(&queries, &n_queries, T_PTR, xstrdup(ptr));
+			} else {
 				add_query(&queries, &n_queries, T_A, *argv);
 #if ENABLE_FEATURE_IPV6
 				add_query(&queries, &n_queries, T_AAAA, *argv);