zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/stderr.d b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/stderr.d
new file mode 100644
index 0000000..e8cf7ba
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/stderr.d
@@ -0,0 +1,8 @@
+Long: stderr
+Help: Where to redirect stderr
+See-also: verbose silent
+---
+Redirect all writes to stderr to the specified file instead. If the file name
+is a plain '-', it is instead written to stdout.
+
+If this option is used several times, the last one will be used.