ShellPkg: Fix handling of empty files in Hexedit

Currently hexedit thinks all files that are non-existent (i.e. new) or empty must be a memory error since the pointer is checked, but the file size is not referenced.

Signed-off-by: jcarsey
Reviewed-by: jljusten

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12797 6f19259b-4bc3-4df7-8a09-765794883524
1 file changed