Small bugfixes for installation (with SSL enabled)

Hi!

I have just experimented with libwww-5.3.2 and had some small problems when
compiling it. (My platform is HP-UX 10.20 and I did you HP's ANSI C compiler.)

- In w3c-libwww-5.3.2/Library/src/Makefile.in:225 there is an explicit
  entry for -I/usr/local/include. As it is used _before_ the internal
  header directories this means that header files in /usr/local/include
  will shadow those of libwww itself.
  This entry should be removed.
  (In my case, md5.h collided with md5.h of cyrus-sasl)
- In w3c-libwww-5.3.2/Library/src/SSL/HTSSL.c:124 und :131 there are to
  "//" C++ style comments that do not conform to the ANSI standard
  (gcc may accept these, but HP's ANSI C compiler does not.)
- In several w3c-libwww-5.3.2/Library/src/SSL/*.c files the headers of the
  openssl library are searched via e.g. #include <ssl.h>. The namespace
  of the openssl library has changed several versions ago; headers are now
  used in the form #include <openssl/ssl.h>.

Please find attached the unified diff for my changes.

Sincere regards,
	Lutz Jaenicke
-- 
Lutz Jaenicke                             Lutz.Jaenicke@aet.TU-Cottbus.DE
BTU Cottbus               http://www.aet.TU-Cottbus.DE/personen/jaenicke/
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