tests/test-rebuildstate.out

"C" status code considered harmful, so changed to "=" (issue899)

C means conflict in other SCMs, and = is more intuitive anyway.

adding bar
adding foo
% state dump
a   0         -1 baz
n 644          0 foo
r   0          0 bar
% status
A baz
R bar
= foo
% state dump
n 666         -1 bar
n 666         -1 foo
% status
! bar
? baz
= foo