Fix SQLite diffing on perl 5.8.1

Empty subs return their arguments in list context on 5.8.1, so stick
an empty expression in it.

diff --git a/lib/SQL/Translator/Producer/SQLite.pm b/lib/SQL/Translator/Producer/SQLite.pm
index 1c04edd..98b0eab 100644 (file)
--- a/lib/SQL/Translator/Producer/SQLite.pm
+++ b/lib/SQL/Translator/Producer/SQLite.pm
@@ -370,7 +370,7 @@ sub create_trigger {
   return @statements;
 }
 
-sub alter_table { } # Noop
+sub alter_table { () } # Noop
 
 sub add_field {
   my ($field) = @_;