Add x509_crt_check_extended_key_usage()
diff --git a/tests/data_files/server5.eku-cli.crt b/tests/data_files/server5.eku-cli.crt
new file mode 100644
index 0000000..8aa2e44
--- /dev/null
+++ b/tests/data_files/server5.eku-cli.crt
@@ -0,0 +1,13 @@
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+//iSmKtbl8Y=
+-----END CERTIFICATE-----