hierarchy: improve error message

* spot/tl/hierarchy.cc (mp_class): Fix type of o so that it is displayed as an character in error messages.
2024-10-30 12:07:55 +01:00 · 2024-10-30 12:07:55 +01:00 · cd5ac041f2
commit cd5ac041f2
parent b05c90cd87
1 changed files with 1 additions and 1 deletions
--- a/spot/tl/hierarchy.cc
+++ b/spot/tl/hierarchy.cc
@ -312,7 +312,7 @@ namespace spot
    bool wide = false;
    if (opt)
      for (;;)
-        switch (int o = *opt++)
+        switch (char o = *opt++)
          {
          case 'v':
            verbose = true;