Remove spaces from service name

checkmk/custom-files/local/monitor-certificates

@@ -45,7 +45,7 @@ function process_folder {
                 checkmk_status="2"
             fi
         fi
-        echo "$checkmk_status Certificate $pemfile - $pem_status (CN: $pem_cn)"
+        echo "$checkmk_status Certificate_$pemfile - $pem_status (CN: $pem_cn)"
     done
 }