Fix for

BUG#10675 - MySQL fails to build with --openssl on Mac OS X 10.4
BUG#11150 - HP-UX yaSSL/OpenSSL configure/header problem
Remove obsolete code.

include/my_global.h

@@ -248,13 +248,7 @@ C_MODE_END
 # endif
 #endif /* TIME_WITH_SYS_TIME */
 #ifdef HAVE_UNISTD_H
-#if defined(HAVE_OPENSSL) && !defined(__FreeBSD__) && !defined(NeXT) && !defined(__OpenBSD__)
-#define crypt unistd_crypt
-#endif
 #include <unistd.h>
-#ifdef HAVE_OPENSSL
-#undef crypt
-#endif
 #endif
 #if defined(__cplusplus) && defined(NO_CPLUSPLUS_ALLOCA)
 #undef HAVE_ALLOCA