Simplify +[FLEXNetworkObserver nextRequestID]
Simplify +[FLEXNetworkObserver nextRequestID]

Suninus/FLEX,fbernardo/FLEX,otatime/FLEX,pjebs/FLEX,lintaoSuper/FLEX,evliu/FLEX,Flipboard/FLEX,tttpeng/FLEX-DatabaseBrowser,appspector/FLEX,sunfei/FLEX,iBcker/FLEX,DaidoujiChen/FLEX,Automatic/FLEX,hoaquo/FLEX,BrianBatchelder/FLEX,erichoracek/FLEX,programming086/FLEX,deer-hope/FLEX,msdgwzhy6/FLEX,NSExceptional/FLEX,Flipboard/FLEX,NSExceptional/FLEX,jdk89757/FLEX,Kingside/FLEX,zhaoguohui/FLEX,ramoslin02/FLEX,hugo-/FLEX,Xiaobin0860/FLEX,tttpeng/FLEX