[libqb] [asalkeld/libqb] 9d33e1: LOG: fix qb_vsnprintf_deserialize()

[Angus Salkeld]

  Branch: refs/heads/master
  Home:   https://github.com/asalkeld/libqb
  Commit: 9d33e1f40d2622414783d4e6569a28799a7355f8
      https://github.com/asalkeld/libqb/commit/9d33e1f40d2622414783d4e6569a2879...
  Author: Angus Salkeld <asalkeld(a)redhat.com&gt;
  Date:   2012-09-05 (Wed, 05 Sep 2012)

  Changed paths:
    M lib/log_format.c

  Log Message:
  -----------
  LOG: fix qb_vsnprintf_deserialize()

the strlcat was not call correctly, it needs the
original string to find the end and return the
correct length.

Signed-off-by: Angus Salkeld <asalkeld(a)redhat.com&gt;