Fix missing wallet lock in CWallet::SyncTransaction(..)
Fix missing wallet lock in CWallet::SyncTransaction(..)

coinkeeper/2015-06-22_18-37_dogecoin,haisee/dogecoin,Exceltior/dogecoin,jarymoth/dogecoin,jarymoth/dogecoin,koharjidan/dogecoin,brishtiteveja/sherlockcoin,coinwarp/dogecoin,coinwarp/dogecoin,Domer85/dogecoin,Domer85/dogecoin,langerhans/dogecoin,haisee/dogecoin,coinkeeper/2015-06-22_18-37_dogecoin,coinwarp/dogecoin,Exceltior/dogecoin,Exceltior/dogecoin,langerhans/dogecoin,jarymoth/dogecoin,langerhans/dogecoin,Exceltior/dogecoin,coinwarp/dogecoin,coinkeeper/2015-06-22_18-37_dogecoin,langerhans/dogecoin,jarymoth/dogecoin,brishtiteveja/sherlockcoin,haisee/dogecoin,Domer85/dogecoin,koharjidan/dogecoin,marklai9999/Taiwancoin,brishtiteveja/sherlockcoin,Domer85/dogecoin,koharjidan/dogecoin,haisee/dogecoin,Exceltior/dogecoin,langerhans/dogecoin,koharjidan/dogecoin,haisee/dogecoin,marklai9999/Taiwancoin,brishtiteveja/sherlockcoin,marklai9999/Taiwancoin,langerhans/dogecoin,koharjidan/dogecoin,brishtiteveja/sherlockcoin,koharjidan/dogecoin,marklai9999/Taiwancoin,coinkeeper/2015-06-22_18-37_dogecoin,coinkeeper/2015-06-22_18-37_dogecoin,coinwarp/dogecoin,jarymoth/dogecoin