Sebastian Dröge 3328f89c49 Revert "sdp: Remove useless check in macro"
This reverts commit e6a041b69fd21c42651d98cf8a3064e43cecc51c.

It's not a useless check, the signedness of "char" and "gchar" is
defined by the ABI.
2010-09-17 11:44:29 +02:00
..