[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/digest.d b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/digest.d
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+Long: digest
+Help: Use HTTP Digest Authentication
+Protocols: HTTP
+Mutexed: basic ntlm negotiate
+See-also: user proxy-digest anyauth
+---
+Enables HTTP Digest authentication. This is an authentication scheme that
+prevents the password from being sent over the wire in clear text. Use this in
+combination with the normal --user option to set user name and password.
+
+If this option is used several times, only the first one is used.