Fix two more array access errors in InboundEmail.php.
Fix two more array access errors in InboundEmail.php.

Dillon-Brown/SuiteCRM,horus68/SuiteCRM-Horus68,lionixevolve/LionixCRM,JanSiero/SuiteCRM,lionixevolve/SuiteCRM,pribeiro42/SuiteCRM,Dillon-Brown/SuiteCRM,samus-aran/SuiteCRM,samus-aran/SuiteCRM,gody01/SuiteCRM,salesagility/SuiteCRM,JanSiero/SuiteCRM,ChangezKhan/SuiteCRM,MikeyJC/SuiteCRM,ChangezKhan/SuiteCRM,samus-aran/SuiteCRM,JanSiero/SuiteCRM,pribeiro42/SuiteCRM,JanSiero/SuiteCRM,horus68/SuiteCRM-Horus68,lionixevolve/LionixCRM,lionixevolve/SuiteCRM,MikeyJC/SuiteCRM,lionixevolve/LionixCRM,pribeiro42/SuiteCRM,samus-aran/SuiteCRM,lionixevolve/LionixCRM,lionixevolve/SuiteCRM,Dillon-Brown/SuiteCRM,pribeiro42/SuiteCRM,horus68/SuiteCRM-Horus68,gody01/SuiteCRM,gody01/SuiteCRM,JimMackin/SuiteCRM,JimMackin/SuiteCRM,ChangezKhan/SuiteCRM,JimMackin/SuiteCRM,salesagility/SuiteCRM,salesagility/SuiteCRM,horus68/SuiteCRM-Horus68,JimMackin/SuiteCRM,lionixevolve/LionixCRM,ChangezKhan/SuiteCRM,salesagility/SuiteCRM,MikeyJC/SuiteCRM,lionixevolve/LionixCRM,Dillon-Brown/SuiteCRM,lionixevolve/SuiteCRM,MikeyJC/SuiteCRM,gody01/SuiteCRM