removed unused variable

diff --git a/helm/software/matita/matitacLib.ml b/helm/software/matita/matitacLib.ml
index 9c836d9b87a777298fa697fe0196ef338a6ddf91..7790f75683d252920326d88477f9825e6208957d 100644 (file)
--- a/helm/software/matita/matitacLib.ml
+++ b/helm/software/matita/matitacLib.ml
@@ -259,7 +259,7 @@ let compile options fname =
       LexiconSync.time_travel ~present:lex_stat ~past:initial_lexicon_status;
       pp_times fname false big_bang big_bang_u big_bang_s;
       clean_exit baseuri false
-  | Sys.Break as exn when not matita_debug ->
+  | Sys.Break when not matita_debug ->
      HLog.error "user break!";
      pp_times fname false big_bang big_bang_u big_bang_s;
      clean_exit baseuri false