fix(tools.func): flat repo detection for suites ending with /

- setup_deb822_repo: skip Components for any suite ending with /
- Previously only skipped for exactly './' but 'stable/' is also flat
- Fixes Jitsi repo producing 'Malformed entry (absolute Suite Component)'

misc/tools.func

@@ -1843,8 +1843,8 @@ setup_deb822_repo() {
     echo "Types: deb"
     echo "URIs: $repo_url"
     echo "Suites: $suite"
-    # Flat repositories (suite="./" or absolute path) must not have Components
-    if [[ "$suite" != "./" && -n "$component" ]]; then
+    # Flat repositories (suite ending with "/" or "./") must not have Components
+    if [[ "$suite" != *"/" && -n "$component" ]]; then
       echo "Components: $component"
     fi
     [[ -n "$architectures" ]] && echo "Architectures: $architectures"