fix php notice when save group email
fix php notice when save group email

salesagility-davidthomson/SuiteCRM,adamjakab/SuiteCRM,horus68/SuiteCRM,salesagility/SuiteCRM,lionixevolve/SuiteCRM,Dillon-Brown/SuiteCRM,ChangezKhan/SuiteCRM,JimMackin/SuiteCRM,willrennie/SuiteCRM,leonardobarrientosc/SuiteCRM,noelhunter/SuiteCRM,samus-aran/SuiteCRM,gcoop-libre/SuiteCRM,adamjakab/SuiteCRM,horus68/SuiteCRM-Horus68,noelhunter/SuiteCRM,lionixevolve/SuiteCRM,leonardobarrientosc/SuiteCRM,pribeiro42/SuiteCRM,lionixevolve/LionixCRM,adamjakab/SuiteCRM,Dillon-Brown/SuiteCRM,Dillon-Brown/SuiteCRM,daniel-samson/SuiteCRM,shogunpol/SuiteCRM,salesagility/SuiteCRM,shogunpol/SuiteCRM,MikeyJC/SuiteCRM,leonardobarrientosc/SuiteCRM,salesagility/SuiteCRM,samus-aran/SuiteCRM,horus68/SuiteCRM,horus68/SuiteCRM-Horus68,JanSiero/SuiteCRM,daniel-samson/SuiteCRM,pgorod/SuiteCRM,ChangezKhan/SuiteCRM,dfstrauss/SuiteCRM,horus68/SuiteCRM-Horus68,salesagility/SuiteCRM,adamjakab/SuiteCRM,pribeiro42/SuiteCRM,JimMackin/SuiteCRM,gcoop-libre/SuiteCRM,willrennie/SuiteCRM,salesagility-davidthomson/SuiteCRM,cumanacr/SuiteCRM,MikeyJC/SuiteCRM,JanSiero/SuiteCRM,samus-aran/SuiteCRM,willrennie/SuiteCRM,willrennie/SuiteCRM,shogunpol/SuiteCRM,noelhunter/SuiteCRM,dfstrauss/SuiteCRM,lionixevolve/LionixCRM,horus68/SuiteCRM-Horus68,lionixevolve/LionixCRM,MikeyJC/SuiteCRM,salesagility-davidthomson/SuiteCRM,lionixevolve/LionixCRM,pgorod/SuiteCRM,gody01/SuiteCRM,cumanacr/SuiteCRM,ChangezKhan/SuiteCRM,JanSiero/SuiteCRM,gcoop-libre/SuiteCRM,pribeiro42/SuiteCRM,pribeiro42/SuiteCRM,JimMackin/SuiteCRM,Dillon-Brown/SuiteCRM,gody01/SuiteCRM,cumanacr/SuiteCRM,dfstrauss/SuiteCRM,MikeyJC/SuiteCRM,gcoop-libre/SuiteCRM,JanSiero/SuiteCRM,noelhunter/SuiteCRM,salesagility-davidthomson/SuiteCRM,gody01/SuiteCRM,pgorod/SuiteCRM,pgorod/SuiteCRM,gody01/SuiteCRM,lionixevolve/SuiteCRM,horus68/SuiteCRM,samus-aran/SuiteCRM,shogunpol/SuiteCRM,daniel-samson/SuiteCRM,dfstrauss/SuiteCRM,leonardobarrientosc/SuiteCRM,daniel-samson/SuiteCRM,JimMackin/SuiteCRM,cumanacr/SuiteCRM,lionixevolve/SuiteCRM,lionixevolve/LionixCRM,lionixevolve/LionixCRM,ChangezKhan/SuiteCRM