configure.ac: Drop 'AC_PROG_CC_C99' for Autoconf >= 2.70
commit89f93c9376dad69807a27b314c30e1595912e679
authorMarc Schink <dev@zapb.de>
Sat, 18 Jun 2022 22:23:06 +0000 (19 00:23 +0200)
committerMarc Schink <dev@zapb.de>
Mon, 20 Jun 2022 18:45:23 +0000 (20 20:45 +0200)
tree98da58a9fe34e807da8455b8b18151f8976eec4a
parent20ebda5bd820d97d11d1ce12e3e6a2a14067c50c
configure.ac: Drop 'AC_PROG_CC_C99' for Autoconf >= 2.70

Thanks to rdiez for reporting this.

Signed-off-by: Marc Schink <dev@zapb.de>
configure.ac