Update win32 openssl detection: should check for  instead of windows-dir; also, if variables are set externally, ignore the test
Update win32 openssl detection: should check for  instead of windows-dir;
also, if variables are set externally, ignore the test

git-svn-id: a739a095880fa3ebc46f89d9df64e20166cf4ba9@1119 70169cfe-8b10-0410-8925-dcb4b91034d8

sttts/gwenhywfar,sttts/gwenhywfar,sttts/gwenhywfar