[monitoring-plugins] check_dhcp: Make implicit conversion explicit to ...

[RincewindsHat]

 Module: monitoring-plugins
 Branch: master
 Commit: 8fe3fc78299dbd5fc3612853a502a99fbaf35451
 Author: RincewindsHat <12514511+RincewindsHat at users.noreply.github.com>
   Date: Fri Dec 29 00:59:58 2023 +0100
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=8fe3fc7

check_dhcp: Make implicit conversion explicit to dismiss warning

---

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

diff --git a/plugins-root/check_dhcp.c b/plugins-root/check_dhcp.c
index 6b07df5..4b8f5e2 100644
--- a/plugins-root/check_dhcp.c
+++ b/plugins-root/check_dhcp.c
@@ -497,7 +497,7 @@ int send_dhcp_discover(int sock){
 		memcpy(&discover_packet.options[opts],&requested_address,sizeof(requested_address));
 		opts += sizeof(requested_address);
 	}
-	discover_packet.options[opts++]=DHCP_OPTION_END;
+	discover_packet.options[opts++]= (char)DHCP_OPTION_END;
 
 	/* unicast fields */
 	if(unicast)