Those happens with "gcc -Wformat-zero-length". Since passing NULL does not
generate a warning (as __attribute__((printf())) does not imply nonull), modify
status_printf/status_printf_ln to allow a NULL format and update calls with an
empty string.

Benoit Pierre (2):
  status: allow NULL fmt for status_printf/status_vprintf_ln
  fix status_printf_ln calls "zero-length format" warnings

 builtin/commit.c |  2 +-
 wt-status.c      | 23 ++++++++++++-----------
 2 files changed, 13 insertions(+), 12 deletions(-)


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