Fixed a bug in analyzer
Fixed a bug in analyzer

When propogating a value, don't initially mark assigned item as visited
as the value could reach around and get accessed there.

xpol/luacheck,mpeterv/luacheck,xpol/luacheck,mpeterv/luacheck,tst2005/luacheck,tst2005/luacheck,kidaa/luacheck,xpol/luacheck,adan830/luacheck,linuxmaniac/luacheck,kidaa/luacheck,mpeterv/luacheck,linuxmaniac/luacheck,adan830/luacheck