Fix syntactical error in ext_safeCategoryFailed
Fix syntactical error in ext_safeCategoryFailed

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