Dridi, phk and myself all stared at this piece of code and see no issue:
res has been calloc'ed l elements. For any res[i] and res[j] access, i
and j are less than l, respectively. l is not increased after the
initial count of elements in s.

Ref 9947307d

Flexelint error:

                           _
		res[i] = vp;
mgt/mgt_vcl.c  749  Warning 661: Possible access of out-of-bounds
    pointer (1 beyond end of data) by operator '[' [Reference:
    file mgt/mgt_vcl.c: lines 719, 722, 727, 744, 747, 749]
mgt/mgt_vcl.c  719  Info 831: Reference cited in prior message
mgt/mgt_vcl.c  722  Info 831: Reference cited in prior message
mgt/mgt_vcl.c  727  Info 831: Reference cited in prior message
mgt/mgt_vcl.c  744  Info 831: Reference cited in prior message
mgt/mgt_vcl.c  747  Info 831: Reference cited in prior message
mgt/mgt_vcl.c  749  Info 831: Reference cited in prior message