Expressions are always false

[qarkai]

There are several comparisons iris/src/irisnet/noncore/cutestuff/socks.cpp which are always false.
https://github.com/psi-im/iris/blob/master/src/irisnet/noncore/cutestuff/socks.cpp#L639 since sps_get_version() returns 0 or 1.
https://github.com/psi-im/iris/blob/master/src/irisnet/noncore/cutestuff/socks.cpp#L689 since sps_get_authUsername() returns 0 or 1.
https://github.com/psi-im/iris/blob/master/src/irisnet/noncore/cutestuff/socks.cpp#L713 and https://github.com/psi-im/iris/blob/master/src/irisnet/noncore/cutestuff/socks.cpp#L878 since sp_get_request() returns 0 or 1.