Fixes a memory leak found by Stefano Barbato where mime structures weren't autoreleased when returned
Fixes a memory leak found by Stefano Barbato where mime structures
weren't autoreleased when returned

msdgwzhy6/MailCore,proforov/MailCoreOld,msdgwzhy6/MailCore,Jazzo/MailCore,msdgwzhy6/MailCore,SuPair/MailCore,MailCore/MailCore,alloy/MailCore,proforov/MailCoreOld,msdgwzhy6/MailCore,proforov/MailCoreOld,tipbit/MailCore,SuPair/MailCore,SuPair/MailCore,Jazzo/MailCore,alloy/MailCore,tipbit/MailCore,MailCore/MailCore,Jazzo/MailCore,SuPair/MailCore,Jazzo/MailCore,MailCore/MailCore,tipbit/MailCore,alloy/MailCore