Doh, fix format strings to use C string specifiers
Doh, fix format strings to use C string specifiers

sunfei/libextobjc,kolyuchiy/libextobjc,sandyway/libextobjc,KBvsMJ/libextobjc,sanojnambiar/libextobjc,telly/libextobjc,bboyesc/libextobjc,goodheart/libextobjc,liuruxian/libextobjc,WPDreamMelody/libextobjc,jiakai-lian/libextobjc