Scan valgrind logs for errors too

src/test/tpkg/125-valgrind-checks.tpkg/125-valgrind-checks.test

@@ -32,3 +32,9 @@ then
 	cat output
 	exit 1
 fi
+if ! awk '/^==.* ERROR SUMMARY/{print;if($4>0)exit(1)}' valgrind.log
+then
+	cat valgrind.log
+	cat output
+	exit 1
+fi

src/test/tpkg/225-stub-only-valgrind-checks.tpkg/225-stub-only-valgrind-checks.test

@@ -11,6 +11,7 @@ qwerlkjhasdfpuiqwyerm.1234kjhrqwersv.com
 -G TXT bogus.nlnetlabs.nl
 -H 8.8.8.8
 -H 2a04:b900:0:100::37
+-A _acme-challenge.getdnsapi.net
 EOT
 (
 	if !  "${BUILDDIR}/build-stub-only/libtool" exec valgrind -v --log-file=valgrind.log --leak-check=full --error-exitcode=1 --track-origins=yes "${GETDNS_STUB_QUERY}" -F queries -f "${TPKG_NAME}.ds" +dnssec_return_validation_chain
@@ -24,3 +25,9 @@ then
 	cat output
 	exit 1
 fi
+if ! awk '/^==.* ERROR SUMMARY/{print;if($4>0)exit(1)}' valgrind.log
+then
+	cat valgrind.log
+	cat output
+	exit 1
+fi