Fix qmail-local bug (a logic error)

qmail-local-fix (Erik Sjoelund):
fixes a bug (a logic error) in qmail-local.
http://memoryhole.net/qmail/bugfix.qmail-local.patch
http://www.ornl.gov/its/archives/mailing-lists/qmail/2000/10/msg00696.html

Signed-off-by: Giam Teck Choon <giamteckchoon@gmail.com>
Make 0.0.0.0 as a local IP address

qmail ought to recognize 0.0.0.0 as a local IP address. This patch from
Scott Gifford implements that change.

http://www.tir.com/~sgifford/qmail/qmail-0.0.0.0.patch

Signed-off-by: Giam Teck Choon <giamteckchoon@gmail.com>