fixed square cap line rendering
fixed square cap line rendering

libnui/nui3,UIKit0/nui3,UIKit0/nui3,libnui/nui3,libnui/nui3,libnui/nui3,libnui/nui3,UIKit0/nui3,UIKit0/nui3,UIKit0/nui3,UIKit0/nui3,libnui/nui3,UIKit0/nui3