[monitoring-plugins] check_ssh: fix data type to allow for error ...

[Lorenz Kästle]

 Module: monitoring-plugins
 Branch: master
 Commit: 69925c782bf70d267ea14a57d46b5390f5555b8f
 Author: Lorenz Kästle <12514511+rincewinds...@users.noreply.github.com>
   Date: Fri Aug  1 14:34:01 2025 +0200
    URL: 
https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=69925c78

check_ssh: fix data type to allow for error checking

---

 plugins/check_ssh.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugins/check_ssh.c b/plugins/check_ssh.c
index 2c76fa84..f93127ce 100644
--- a/plugins/check_ssh.c
+++ b/plugins/check_ssh.c
@@ -245,7 +245,7 @@ int ssh_connect(mp_check *overall, char *haddr, int hport, 
char *desired_remote_
 
        char *output = (char *)calloc(BUFF_SZ + 1, sizeof(char));
        char *buffer = NULL;
-       size_t recv_ret = 0;
+       ssize_t recv_ret = 0;
        char *version_control_string = NULL;
        size_t byte_offset = 0;
        while ((version_control_string == NULL) &&
@@ -283,7 +283,7 @@ int ssh_connect(mp_check *overall, char *haddr, int hport, 
char *desired_remote_
                                memset(output + byte_offset, 0, BUFF_SZ - 
byte_offset);
                        }
                } else {
-                       byte_offset += recv_ret;
+                       byte_offset += (size_t)recv_ret;
                }
        }