Small converter fixes

lib/support/mysql-postgresql-converter/move_drop_indexes.ed

-# Look for the 'Drop indexes' line and mark it with 'a'
-/^-- Drop indexes --$/
-ka
-# Look for the 'END Drop indexes' line and mark it with 'b'
-/^-- END Drop indexes --$/
-kb
-# Move the 'Drop indexes'..'END Drop indexes' block after the line containing
-# 'SET CONSTRAINTS'.
-1
-/SET CONSTRAINTS/
-'a,'bm.
-wq

lib/support/mysql-postgresql-converter/splice_drop_indexes

@@ -3,7 +3,7 @@
 # efficient consumption by Postgres.
 fail() {
-  echo "$@" 1>2
+  echo "$@" 1>&2
   exit 1
 }