configure.ac: Bump inputproto dep to 2.3.99.1
This should have been part of 6cbcbc81525b131b5b94409ea870af663d5c28bb.
Signed-off-by: Povilas Kanapickas povilas@radix.lt
This should have been part of 6cbcbc81525b131b5b94409ea870af663d5c28bb.
Signed-off-by: Povilas Kanapickas povilas@radix.lt