• change mksh to only then behave more POSuXish when called as /bin/sh or

“-sh” if -DMKSH_BINSHREDUCED was passed during compilation, for example
  for Debian, but d̲e̲f̲i̲n̲i̲t̲i̲v̲e̲l̲y̲ n̲̲o̲̲t̲̲ for MirBSD™
• split up regression test to force this behaviour
• remove the gunk from our MirBSD™ startup scripts again
• mention arc4random.c changes on website, sync clog, warn packagers

main.c

@@ -13,7 +13,7 @@
 #include <locale.h>
 #endif
 
-__RCSID("$MirOS: src/bin/mksh/main.c,v 1.103 2008/10/15 10:25:01 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/main.c,v 1.104 2008/10/20 19:29:23 tg Exp $");
 
 extern char **environ;
 
@@ -173,7 +173,7 @@ main(int argc, const char *argv[])
 	Flag(FVITABCOMPLETE) = 1;
 #endif
 
-#ifndef MKSH_SMALL
+#ifdef MKSH_BINSHREDUCED
 	/* Set FPOSIX if we're called as -sh or /bin/sh or so */
 	{
 		const char *cc;