Fix slonik_drop_table and slonik_drop_sequence altperl tools.
slonik_drop_table and slonik_drop_sequence no longer attempt to
return -1 on an error (invalid as a slonik exit code in 2.1)
(cherry picked from commit 394ffa960a71f2d0fdfaffb0f5e75fe70fe0d2d6)

Conflicts:

	RELEASE

Branch
------
master

Details
-------
http://git.postgresql.org/gitweb?p=slony1-engine.git;a=commitdiff;h=8de76fedfc2359223992cff57543cb5e7f166b51

Modified Files
--------------
RELEASE                               |    3 +++
tools/altperl/slonik_drop_sequence.pl |    2 +-
tools/altperl/slonik_drop_table.pl    |    2 +-
3 files changed, 5 insertions(+), 2 deletions(-)