jcarsey 1921657354 ShellPkg: fix Pipe usage verification.
Add checks for nothing before or nothing after the pipe and output an error when pipe usage fails.

signed-off-by: jcarsey
reviewed-by: leegrosenbaum

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12903 6f19259b-4bc3-4df7-8a09-765794883524
2012-01-02 18:07:13 +00:00
..
2011-06-27 20:29:23 +00:00
2012-01-02 18:07:13 +00:00
2011-09-02 08:05:34 +00:00