Add more string constants to file open flags
Add more string constants to file open flags

NanXiao/luv,luvit/luv,leecrest/luv,brimworks/luv,leecrest/luv,xpol/luv,RomeroMalaquias/luv,luvit/luv,mkschreder/luv,xpol/luv,kidaa/luv,daurnimator/luv,joerg-krause/luv,daurnimator/luv,kidaa/luv,daurnimator/luv,RomeroMalaquias/luv,zhaozg/luv,DBarney/luv,brimworks/luv,NanXiao/luv,joerg-krause/luv,RomeroMalaquias/luv,zhaozg/luv,mkschreder/luv,DBarney/luv