Fix FontLoader/Font json type declare
Fix FontLoader/Font json type declare

georgemarshall/DefinitelyTyped,magny/DefinitelyTyped,georgemarshall/DefinitelyTyped,markogresak/DefinitelyTyped,magny/DefinitelyTyped,rolandzwaga/DefinitelyTyped,borisyankov/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,AgentME/DefinitelyTyped,AgentME/DefinitelyTyped,rolandzwaga/DefinitelyTyped,AgentME/DefinitelyTyped,dsebastien/DefinitelyTyped,AgentME/DefinitelyTyped,borisyankov/DefinitelyTyped,dsebastien/DefinitelyTyped,mcliment/DefinitelyTyped,one-pieces/DefinitelyTyped