[bug#57473] [PATCH v2 1/4] gnu: fail2ban-service-type: Fix field name serialization.

[muradm]

* gnu/services/security.scm: Wrong condition in string-filter
function in fail2ban-jail-configuration-serialize-field-name.
---
 gnu/services/security.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gnu/services/security.scm b/gnu/services/security.scm
index 1e0360c07f..9ab23ffb46 100644
--- a/gnu/services/security.scm
+++ b/gnu/services/security.scm
@@ -127,7 +127,7 @@ (define (fail2ban-jail-configuration-serialize-field-name 
name)
           (string-append "bantime." (substring name 9))))
         ((string-contains name "-")
          (fail2ban-jail-configuration-serialize-field-name
-          (string-filter (lambda (c) (equal? c #\-)) name)))
+          (string-filter (lambda (c) (not (equal? c #\-))) name)))
         (else name)))
 
 (define (fail2ban-jail-configuration-serialize-string field-name value)
-- 
2.37.2