Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=56423
Provide stubs for methods fipsModeGet, fipsModeSet for the case if TCNative is compiled without OpenSSL.
The methods throw an exception like their non-stub implementations do in case FIPS mode is not available.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/native/trunk@1607262 13f79535-47bb-0310-9956-ffa450edef68
From https://issues.apache.org/bugzilla/show_bug.cgi?id=55938
Simplify. Thanks to clang report of "Value stored to 'j' is never read".

git-svn-id: https://svn.apache.org/repos/asf/tomcat/native/trunk@1607267 13f79535-47bb-0310-9956-ffa450edef68