Import curl 7.43

This is a simple import of curl 7.43.
The only change from the official release is the fact that the
Android.mk was removed to avoid build error trying to parse it.

BUG: 22347561

Change-Id: I52ef6798d30b25d22d1f62770d571adec8bcf4d5
diff --git a/docs/libcurl/curl_unescape.3 b/docs/libcurl/curl_unescape.3
index 9bb470f..8d16852 100644
--- a/docs/libcurl/curl_unescape.3
+++ b/docs/libcurl/curl_unescape.3
@@ -1,6 +1,24 @@
-.\" You can view this file with:
-.\" nroff -man [file]
-.\"
+.\" **************************************************************************
+.\" *                                  _   _ ____  _
+.\" *  Project                     ___| | | |  _ \| |
+.\" *                             / __| | | | |_) | |
+.\" *                            | (__| |_| |  _ <| |___
+.\" *                             \___|\___/|_| \_\_____|
+.\" *
+.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" *
+.\" * This software is licensed as described in the file COPYING, which
+.\" * you should have received as part of this distribution. The terms
+.\" * are also available at http://curl.haxx.se/docs/copyright.html.
+.\" *
+.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+.\" * copies of the Software, and permit persons to whom the Software is
+.\" * furnished to do so, under the terms of the COPYING file.
+.\" *
+.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+.\" * KIND, either express or implied.
+.\" *
+.\" **************************************************************************
 .TH curl_unescape 3 "22 March 2001" "libcurl 7.7" "libcurl Manual"
 .SH NAME
 curl_unescape - URL decodes the given string
@@ -20,11 +38,11 @@
 If the 'length' argument is set to 0, curl_unescape() will use strlen() on the
 input 'url' string to find out the size.
 
-You must curl_free() the returned string when you're done with it.
+You must \fIcurl_free(3)\fP the returned string when you're done with it.
 .SH AVAILABILITY
 Since 7.15.4, \fIcurl_easy_unescape(3)\fP should be used. This function will
 be removed in a future release.
 .SH RETURN VALUE
 A pointer to a zero terminated string or NULL if it failed.
 .SH "SEE ALSO"
-.I curl_easy_escape(3), curl_easy_unescape(3), curl_free(3), RFC 2396
+.br curl_easy_escape "(3)," curl_easy_unescape "(3)," curl_free "(3)," RFC 2396