Porting/bench.pl: typo in error message

diff --git a/Porting/bench.pl b/Porting/bench.pl
index 840d723..224e862 100755 (executable)
--- a/Porting/bench.pl
+++ b/Porting/bench.pl
@@ -431,7 +431,7 @@ my %OPTS = (
               . "'$OPTS{sort}'\n";
         }
         my ($field, $perl) = @s;
-        die "Error: --sort: unknown field '$field\n"
+        die "Error: --sort: unknown field '$field'\n"
             unless $VALID_FIELDS{$field};
         # the 'perl' value will be validated later, after we have processed
         # the perls