[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/abstract-unix-socket.d b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/abstract-unix-socket.d
new file mode 100644
index 0000000..1fda4e5
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/abstract-unix-socket.d
@@ -0,0 +1,9 @@
+Long: abstract-unix-socket
+Arg: <path>
+Help: Connect via abstract Unix domain socket
+Added: 7.53.0
+Protocols: HTTP
+---
+Connect through an abstract Unix domain socket, instead of using the network.
+Note: netstat shows the path of an abstract socket prefixed with '@', however
+the <path> argument should not have this leading character.