Add Music Manager's curl 7.21.2 source.

Change-Id: I259a43fa52d581524a5ce8ae1711467acb1d9d50
diff --git a/docs/libcurl/curl_multi_init.3 b/docs/libcurl/curl_multi_init.3
new file mode 100644
index 0000000..0ac298e
--- /dev/null
+++ b/docs/libcurl/curl_multi_init.3
@@ -0,0 +1,20 @@
+.\"
+.TH curl_multi_init 3 "1 March 2002" "libcurl 7.9.5" "libcurl Manual"
+.SH NAME
+curl_multi_init - create a multi handle
+.SH SYNOPSIS
+.B #include <curl/curl.h>
+.sp
+.BI "CURLM *curl_multi_init( );"
+.ad
+.SH DESCRIPTION
+This function returns a CURLM handle to be used as input to all the other
+multi-functions, sometimes referred to as a multi handle in some places in the
+documentation. This init call MUST have a corresponding call to
+\fIcurl_multi_cleanup(3)\fP when the operation is complete.
+.SH RETURN VALUE
+If this function returns NULL, something went wrong and you cannot use the
+other curl functions.
+.SH "SEE ALSO"
+.BR curl_multi_cleanup "(3)," curl_global_init "(3)," curl_easy_init "(3)"
+