Fixed a few warnings.

Rev: lib/7.4/modules/Crypto.pmod/invert.pike:1.2
Rev: lib/modules/Protocols.pmod/DNS.pmod:1.92
Rev: lib/modules/Protocols.pmod/HTTP.pmod/Query.pike:1.92
Rev: lib/modules/Standards.pmod/ASN1.pmod/Types.pmod:1.40
Rev: src/testsuite.in:1.794