connection.c: 
- #ifndef WIN32 include for sun CC 5.4 (forte 7 workshop)
- casts acc. to func decls
- #ifndef WIN32 use of AF_UNIX socket if odbc.ini::Servername is "localhost"

dlg_specific.c:
- numerous temp buffer init's (before SQLGetPrivateProfileString)
- casts acc. to func decls

socket.h:
- #ifndef WIN32 include for sockaddr_un (AF_UNIX sockets)
- #ifndef WIN32 defines from postgres-7.3.2 code (libpq...) for AF_UNIX sockets

socket.c:
- #ifndef WIN32 include for sun CC 5.4 (forte 7 workshop)
- #ifndef WIN32 use of AF_UNIX socket if odbc.ini::Servername is "localhost"
- socket r/w retries on EINTR

results.c:
- casts acc. to func decls
- several mylog NULL pointer SIGSEV bugs fixed

gpps.c:
- odbc.ini find alg.: try path given by ODBCINI, SYSODBCINI 1st (before that HOME-dir stuff)
