try to access $bytes[0] even if $size<1, added a check. need a test case [#42 state:resolved]
try to access $bytes[0] even if $size<1, added a check. need a test case [#42 state:resolved]

swiftmailer/swiftmailer,fvosberg/swiftmailer,jamesggordon/swiftmailer,handautsav/swiftmailer,gburyakovsky/swiftmailer,voku/swiftmailer,tweakers-dev/swiftmailer,Pardot/swiftmailer,Chhunlong/swiftmailer,Pardot/swiftmailer,kuslahne/swiftmailer,UofSC/php-shared-functions,handautsav/swiftmailer,deguif/swiftmailer,zghosts/swiftmailer,UofSC/php-shared-functions,peterkokot/swiftmailer,kuslahne/swiftmailer,deguif/swiftmailer,papagel/swiftmailer,Rotzbua/swiftmailer,denpamusic/swiftmailer,Pardot/swiftmailer,gburyakovsky/swiftmailer,peterkokot/swiftmailer,robertklein/swiftmailer,gencer/swiftmailer,UofSC/php-shared-functions,peterkokot/swiftmailer,Dubz/swiftmailer,papagel/swiftmailer,c960657/swiftmailer,robertklein/swiftmailer,Rotzbua/swiftmailer,c960657/swiftmailer,michabbb-backup/swiftmailer,tweakers-dev/swiftmailer,gencer/swiftmailer,fvosberg/swiftmailer,denpamusic/swiftmailer,Chhunlong/swiftmailer,michabbb-backup/swiftmailer,voku/swiftmailer,swiftmailer/swiftmailer,Pardot/swiftmailer,zghosts/swiftmailer,Dubz/swiftmailer,jamesggordon/swiftmailer