pcp updates ... try again for vpmprintf()

[Ken McDonell <kenj@xxxxxxxxxxxxxxxx>]

Changes committed to git://oss.sgi.com/kenj/pcp.git dev

 src/libpcp/src/util.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

commit e918272f2c65dcb75dabd31b439f1afe23bf8368
Author: Ken McDonell <kenj@xxxxxxxxxxxxxxxx>
Date:   Tue Feb 26 08:46:48 2013 +1100

    One more vpmprintf() tweak
    
    Refine the error handling logic one more time to regain the
    original behaviour from before the mkstemp() change.
    
    With this change, passes QA: 110, 199, 325, 448, 560 and 572.