[libxml2] Leak of struct addrinfo in xmlNanoFTPConnect()

[Daniel Veillard <veillard src gnome org>]

commit d72cb06de95a100058315bc0c3359d7c46583113
Author: Gaurav Gupta <g gupta samsung com>
Date:   Mon Oct 6 19:28:29 2014 +0800

    Leak of struct addrinfo in xmlNanoFTPConnect()
    
    For https://bugzilla.gnome.org/show_bug.cgi?id=732352
    
    in case of error condition in IPv6 support, the early return here
    doesn't call freeaddrinfo(result), thus leaking memory.

 nanoftp.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/nanoftp.c b/nanoftp.c
index f467e5a..2135ab9 100644
--- a/nanoftp.c
+++ b/nanoftp.c
@@ -908,6 +908,8 @@ xmlNanoFTPConnect(void *ctx) {
            return (-1);
        }
        if (tmp->ai_addrlen > sizeof(ctxt->ftpAddr)) {
+           if (result)
+               freeaddrinfo (result);
            __xmlIOErr(XML_FROM_FTP, 0, "gethostbyname address mismatch");
            return (-1);
        }