{tcp,udp}-smack-test: fix implicit-function-declaration issues fatal with gcc-14

tcp-smack-test:
http://errors.yoctoproject.org/Errors/Details/766925/
  tcp_client.c:55:16: error: implicit declaration of function 'atoi' [-Wimplicit-function-declaration]

udp-client-tests:
http://errors.yoctoproject.org/Errors/Details/766927/
  udp_client.c:41:16: error: implicit declaration of function 'atoi' [-Wimplicit-function-declaration]
  udp_client.c:51:12: error: implicit declaration of function 'fsetxattr' [-Wimplicit-function-declaration]
  udp_client.c:66:9: error: implicit declaration of function 'close'; did you mean 'pclose'? [-Wimplicit-function-declaration]

Signed-off-by: Martin Jansa <martin.jansa@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/recipes-mac/smack/tcp-smack-test/tcp_client.c b/recipes-mac/smack/tcp-smack-test/tcp_client.c
index 6c0a474..b82b575 100644
--- a/recipes-mac/smack/tcp-smack-test/tcp_client.c
+++ b/recipes-mac/smack/tcp-smack-test/tcp_client.c
@@ -18,6 +18,7 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 #include <stdio.h>
+#include <stdlib.h>
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <errno.h>