Added "esac" keyword for bash brush.

scripts/shBrushBash.js

@@ -5,7 +5,7 @@
 
 	function Brush()
 	{
-		var keywords =	'if fi then elif else for do done until while break continue case function return in eq ne ge le';
+		var keywords =	'if fi then elif else for do done until while break continue case esac function return in eq ne ge le';
 		var commands =  'alias apropos awk basename bash bc bg builtin bzip2 cal cat cd cfdisk chgrp chmod chown chroot' +
 						'cksum clear cmp comm command cp cron crontab csplit cut date dc dd ddrescue declare df ' +
 						'diff diff3 dig dir dircolors dirname dirs du echo egrep eject enable env ethtool eval ' +