Added parenthesis to avoid warning messages.
Added parenthesis to avoid warning messages.

/Users/doktahworm/.rvm/gems/ruby-1.8.7-p174/gems/mail-2.3.0/lib/mail/multibyte/chars.rb:342: warning: parenthesize argument(s) for future version
/Users/doktahworm/.rvm/gems/ruby-1.8.7-p174/gems/mail-2.3.0/lib/mail/multibyte/chars.rb:350: warning: parenthesize argument(s) for future version

kjg/mail,schneems/mail,agaridata/mail,owenr/mail,schepedw/mail,EdwardPantoja/mail,jeremyevans/mail,jonkgrimes/mail,0x00evil/mail,smallspark/mail,wktk/mail,kaineer/mail,pjskennedy/mail,kjg/mail,pushrax/mail,pascalbetz/mail,jeremy/mail,carsonreinke/mail,planio-gmbh/mail,wktk/mail,missive/mail,benmmurphy/mail,kert-io/mail,EdwardPantoja/mail,schepedw/mail,agaridata/mail,Schniz/mail,0x00evil/mail,carsonreinke/mail,zacholauson/mail,zacholauson/mail,benmmurphy/mail,jeremyevans/mail,jeremy/mail,pushrax/mail,yujinakayama/mail,kert-io/mail,pjskennedy/mail,kainlite/mail,jonkgrimes/mail,schneems/mail,mikel/mail,smallspark/mail,kaineer/mail