Fixed invoke warning
Fixed invoke warning

Added dontwarn for invoke warning that is 'OK' since we're using
retrolamba.

fixes AntennaPod/AntennaPod#1117

gaohongyuan/AntennaPod,twiceyuan/AntennaPod,TomHennen/AntennaPod,gaohongyuan/AntennaPod,TimB0/AntennaPod,gaohongyuan/AntennaPod,johnjohndoe/AntennaPod,richq/AntennaPod,keunes/AntennaPod,SpicyCurry/AntennaPod,gk23/AntennaPod,udif/AntennaPod,corecode/AntennaPod,richq/AntennaPod,the100rabh/AntennaPod,drabux/AntennaPod,mxttie/AntennaPod,keunes/AntennaPod,domingos86/AntennaPod,domingos86/AntennaPod,udif/AntennaPod,TomHennen/AntennaPod,johnjohndoe/AntennaPod,domingos86/AntennaPod,mfietz/AntennaPod,SpicyCurry/AntennaPod,gk23/AntennaPod,udif/AntennaPod,wooi/AntennaPod,the100rabh/AntennaPod,corecode/AntennaPod,LTUvac/AntennaPod,drabux/AntennaPod,SpicyCurry/AntennaPod,mxttie/AntennaPod,corecode/AntennaPod,drabux/AntennaPod,TimB0/AntennaPod,LTUvac/AntennaPod,orelogo/AntennaPod,drabux/AntennaPod,the100rabh/AntennaPod,twiceyuan/AntennaPod,SpicyCurry/AntennaPod,domingos86/AntennaPod,wooi/AntennaPod,TomHennen/AntennaPod,johnjohndoe/AntennaPod,TomHennen/AntennaPod,mxttie/AntennaPod,keunes/AntennaPod,wooi/AntennaPod,keunes/AntennaPod,johnjohndoe/AntennaPod,gk23/AntennaPod,gaohongyuan/AntennaPod,richq/AntennaPod,mxttie/AntennaPod,twiceyuan/AntennaPod,gk23/AntennaPod,the100rabh/AntennaPod,wooi/AntennaPod,orelogo/AntennaPod,twiceyuan/AntennaPod,mfietz/AntennaPod,mfietz/AntennaPod,mfietz/AntennaPod,orelogo/AntennaPod,LTUvac/AntennaPod,richq/AntennaPod,udif/AntennaPod,TimB0/AntennaPod,LTUvac/AntennaPod,orelogo/AntennaPod,TimB0/AntennaPod,corecode/AntennaPod