configure.ac: fix STDC_HEADERS typo (#459)

There is no autoconf macro called STDC_HEADERS. AC_HEADER_STDC however does
exist and it defines the STDC_HEADERS macro for use.

Not clear that STDC_HEADERS from its use in the repo is needed but
would rather not meddle with it for now.

Fixes an annoying warning on `./configure`:
```
/var/tmp/portage/net-dns/c-ares-1.18.1/work/c-ares-1.18.1/configure: 24546: STDC_HEADERS: not found
```

Signed-off-by: Sam James <sam@gentoo.org>
pull/464/head
Sam James 3 years ago committed by GitHub
parent b5a3d969e2
commit 77adcc5e51
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
  1. 2
      configure.ac

@ -493,7 +493,7 @@ dnl Back to "normal" configuring
dnl **********************************************************************
dnl Checks for header files.
STDC_HEADERS
AC_HEADER_STDC
AC_PROG_EGREP

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