Update to rra-c-util 7.2 and C TAP Harness 4.3

Update to rra-c-util 7.2:

* Improve configure output for krb5-config testing.
* Define UINT32_MAX for systems that don't have it.
* Add SPDX-License-Identifier headers to all substantial source files.
* Fix new warnings from GCC 7 and Clang warnings.
* Require Test::Strict 0.25 or later to run those tests.
* Fix off-by-one error in return-value checks for snprintf.
* Use Autoconf to probe for supported warning flags.
* Fix running module-version-t -u with current versions of Perl.
* Use C_TAP_SOURCE and C_TAP_BUILD instead of SOURCE and BUILD.

Update to C TAP Harness 4.3:

* Add support for valgrind and libtool in test lists.
* Report test failures as left and right, not wanted and expected.
* Fix string comparisons with NULL pointers and the string "(null)".
* Add SPDX-License-Identifier headers to all substantial source files.
* Avoid zero-length realloc allocations in breallocarray.
* Fix new warnings from GCC 7 and Clang warnings.
* Use C_TAP_SOURCE and C_TAP_BUILD instead of SOURCE and BUILD.

1 files changed, 6 insertions, 3 deletions

diff --git a/tests/docs/pod-spelling-t b/tests/docs/pod-spelling-t
index 7b61c86..0419c24 100755
--- a/tests/docs/pod-spelling-t
+++ b/tests/docs/pod-spelling-t
@@ -3,10 +3,11 @@
 # Checks all POD files in the tree for spelling errors using Test::Spelling.
 #
 # The canonical version of this file is maintained in the rra-c-util package,
-# which can be found at <http://www.eyrie.org/~eagle/software/rra-c-util/>.
+# which can be found at <https://www.eyrie.org/~eagle/software/rra-c-util/>.
 #
 # Written by Russ Allbery <eagle@eyrie.org>
-# Copyright 2012, 2013, 2014
+# Copyright 2016 Russ Allbery <eagle@eyrie.org>
+# Copyright 2012-2014
 #     The Board of Trustees of the Leland Stanford Junior University
 #
 # Permission is hereby granted, free of charge, to any person obtaining a
@@ -26,12 +27,14 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 # DEALINGS IN THE SOFTWARE.
+#
+# SPDX-License-Identifier: MIT
 
 use 5.006;
 use strict;
 use warnings;
 
-use lib "$ENV{SOURCE}/tap/perl";
+use lib "$ENV{C_TAP_SOURCE}/tap/perl";
 
 use Test::More;
 use Test::RRA qw(skip_unless_author use_prereq);