Fix more warning: possibly useless use of == in void context
Fix more warning: possibly useless use of == in void context

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