pcp updates: rework pmprintf change

[Ken McDonell <kenj@xxxxxxxxxxxxxxxx>]

Changes committed to git://git.pcp.io/kenj/pcp master

Ken McDonell (2):
      Revert "src/libpcp/src/util.c: reduce chance of temp file debris from 
pmprintf()"
      src/libpcp/src/util.c: rework temp file cleanup from pmprintf

 src/libpcp/src/check-statics |    1 +
 src/libpcp/src/util.c        |   33 ++++++++++++++++++++++++++++++---
 2 files changed, 31 insertions(+), 3 deletions(-)

Details ...

commit 3f74974f292393a11c70c3e4fc894f718efcb7a1
Author: Ken McDonell <kenj@xxxxxxxxxxxxxxxx>
Date:   Mon Feb 15 09:24:03 2016 +1100

    src/libpcp/src/util.c: rework temp file cleanup from pmprintf
    
    Use atexit handler.  Update check-statics as a consequence.

commit dd52a7190c3fd28d0365ab13e3c4409f89276e89
Author: Ken McDonell <kenj@xxxxxxxxxxxxxxxx>
Date:   Mon Feb 15 08:49:35 2016 +1100

    Revert "src/libpcp/src/util.c: reduce chance of temp file debris from 
pmprintf()"
    
    This reverts commit 43caaf25fe8842135b0b224994d477a2ece3745b.
    
    Cannot unlink early ... fname is needed if PCP_XCONFIRM_PROG run from
    pmflush().