[monitoring-plugins] check_curl: Initialize pointer before usage

[RincewindsHat]

 Module: monitoring-plugins
 Branch: master
 Commit: 0ab5e10d9b78af6e94a06ab990f0e16b24972c0d
 Author: RincewindsHat <12514511+rincewinds...@users.noreply.github.com>
   Date: Thu Oct 19 11:55:11 2023 +0200
    URL: 
https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=0ab5e10

check_curl: Initialize pointer before usage

---

 plugins/check_curl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/check_curl.c b/plugins/check_curl.c
index 153e492..c59fa7e 100644
--- a/plugins/check_curl.c
+++ b/plugins/check_curl.c
@@ -395,7 +395,7 @@ lookup_host (const char *host, char *buf, size_t buflen)
   char addrstr[100];
   size_t addrstr_len;
   int errcode;
-  void *ptr;
+  void *ptr = { 0 };
   size_t buflen_remaining = buflen - 1;
 
   memset (&hints, 0, sizeof (hints));