Update so that progs.h can indeed be automatically generated

    (Working file: progs.h
     revision 1.24

     date: 2001/02/19 16:06:03;  author: levitte;  state: Exp;  lines: +59 -59
     Make all configuration macros available for application by making
     sure they are available in opensslconf.h, by giving them names starting
     with "OPENSSL_" to avoid conflicts with other packages and by making
     sure e_os2.h will cover all platform-specific cases together with
     opensslconf.h.

     [...])