Outbound access in vector clr_flg

[lucaregini]

The following line of code:

if ((clr_flg[lx - 1] == blob_count) || (clr_flg[lx + 1] == blob_count)) //Check for the continuity with previous scanned data

is executed with lx=0 and lx= size_of(clr_flg)-1 causing a runtime crash.