Coverity analysis defect 73592: PW.USELESS_TYPE_QUALIFIER_ON_RETURN_TYPE

PW.USELESS_TYPE_QUALIFIER_ON_RETURN_TYPE

Defect 73592 (STATIC_C)
Checker PW.USELESS_TYPE_QUALIFIER_ON_RETURN_TYPE (subcategory none)
File: /src/mongo/db/modules/enterprise/src/encryptdb/symmetric_crypto.cpp
Parse Warning (no function name available)
/src/mongo/db/modules/enterprise/src/encryptdb/symmetric_crypto.cpp, line: 57
type qualifier on return type is meaningless

    const aesMode getCipherModeFromString(const std::string& mode) {