AS::MB::Chars concatenation with + (plus) method should not alter the original

[James_MacAulay]

Small but nasty bug, tested and fixed:

https://rails.lighthouseapp.com/projects/8994-ruby-on-rails/tickets/4646-bug-activesupportmultibytechars-concatenation-with-plus-method-should-not-alter-the-original

Would love someone to review this.

-James

[Norman_Clarke1 (Norman Clarke)]

Looks good to me, nice catch.

Regards,

Norman

[Allen_Madsen]

+1

Allen Madsen

Allen Madsen

[tommy_xiao]

good patch!