Fix crash cause by previous pseudo size change

Luc report a crash in test-lineariz.
Originally the size is store in same memory location
as "pseudo.ident". The assumption that no one use ident
for PSEUDO_VAL is not true. This change moves the size
out side of the union of ident.

Reported-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Christopher Li <sparse@chrisli.org>
1 file changed