INSTALL: Add missing details on VMS installation results

                        Contains the HTML rendition of the man-pages.

       OpenVMS ('arch' is replaced with the architecture name, "Alpha"

       or "ia64"):

       or "ia64", 'sover' is replaced with the shared library version

       (0101 for 1.1), and 'pz' is replaced with the pointer size

       OpenSSL was built with):

         [.EXE.'arch']  Contains the openssl binary and a few other

                        utility scripts.

         [.EXE.'arch']  Contains the openssl binary.

         [.EXE]         Contains a few utility scripts.

         [.include.openssl]

                        Contains the header files needed if you want

                        to build your own programs that use libcrypto

                        or libssl.

         [.LIB.'arch']  Contains the OpenSSL library files.

         [.ENGINES.'arch']

         [.ENGINES'sover''pz'.'arch']

                        Contains the OpenSSL dynamically loadable engines.

         [.SYS$STARTUP] Contains startup, login and shutdown scripts.

                        These define appropriate logical names and

                        command symbols.

         [.SYSTEST]     Contains the installation verification procedure.

         [.HTML]        Contains the HTML rendition of the manual pages.

     Additionally, install will add the following directories under