fix download file name

modules/install_mkagent.sh

@@ -58,7 +58,7 @@ get_checkmk_version_from_server()
                 | grep -E '^2\.[0-9]+(\.[0-9]+)?p?[0-9]*$' \
                 | grep -vE '\.[0-9]{3,}' \
                 | head -n1)
-            [[ -n "$v" ]] && { printf '%s-1' "$v"; return 0; }
+            [[ -n "$v" ]] && { printf '%s' "$v"; return 0; }
         fi
     done
 
@@ -80,7 +80,7 @@ install_mkagent()
             prnt I "Detected Check_MK version: $mkver — building fallback URL"
             # replace the literal 'latest' token in MK_URL with the detected version
             local fallback_url
-            fallback_url="${MK_URL/latest/$mkver}"
+            fallback_url="${MK_URL/latest/$mkver-1}"
             prnt I "Trying fallback URL: $fallback_url"
             if ! wget -q "$fallback_url" -O "$debfile"; then
                 prnt E "Fallback download with version $mkver failed."