dash - patched shell with cmake build

	Commit message (Expand)	Author	Age
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*	Optimise away status and case statement in main().	herbert	2005-09-26
*	Eliminated global exerrno.	herbert	2005-09-26
*	Only reread exitstatus on EXEXIT in exitshell.	herbert	2005-09-26
*	Size optimisations with state/s in main().	herbert	2005-09-26
*	Corrected grammar in manual page.	agcosta	2005-09-26
*	Catch set -e exits within built-in commands.	herbert	2005-09-26
*	Changed boolean rootshell into shlvl counter.	herbert	2005-09-26
*	Release 0.5.2.	herbert	2005-09-26
*	Corrected manual entry about ENV and non-interactive shells.	pape	2005-09-26
*	Spell behaviour consistently in manual page.	pape	2005-09-26
*	Fixed spelling errors in manual page.	agcosta	2005-09-26
*	Fixed signed char promotion in src/expand.c.	herbert	2005-09-26
*	Size optimisations around varvalue() in src/expand.c.	herbert	2005-09-26
*	Fixed expansion when leading argument is null in src/expand.c.	herbert	2005-09-26
*	Allow negative pid argument to kill(1) in src/jobs.c.	herbert	2005-09-26
*	Fixed cd - when OLDPWD is unset.	herbert	2005-09-26
*	Include system.h.	herbert	2005-09-26
*	Initial import.	Herbert Xu	2005-09-26