zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/proxy-cert.d b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/proxy-cert.d
new file mode 100644
index 0000000..43acd39
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/proxy-cert.d
@@ -0,0 +1,6 @@
+Long: proxy-cert
+Arg: <cert[:passwd]>
+Help: Set client certificate for proxy
+Added: 7.52.0
+---
+Same as --cert but used in HTTPS proxy context.