virsh: avoid mingw compiler warnings

Compilation on mingw was warning about %lld use in fprintf, and
in the gnulib strptime module about dead labels.

* tools/virsh.c (vshPrint): Change redirect.
(vshPrintExtra): Allow use within vshPrint.  Avoid fprintf on
arbitrary formats, since we aren't using gnulib module; instead,
use virVasprintf to pre-format.
(vshError): Likewise.
* .gnulib: Update to latest, for mingw strptime warning fix.
Reported by Matthias Bolte.

1 files changed, 0 insertions, 0 deletions

diff --git a/.gnulib b/.gnulib
-Subproject 4cce65cb2f10936f13760625f39d532564984fd
+Subproject ecb020f2b046790d76d05d377ca1e864e2bc9fd