[packages/libs/curl]: update to 7.35.0, fixes CVE-2014-0015

Spotted this on my twitter feed, so i guess it is good for something.
 
http://curl.haxx.se/docs/adv_20140129.html
 
Signed-off-by: Russell Senior <russell@personaltelco.net>


git-svn-id: svn://svn.openwrt.org/openwrt/packages@39446 3c298f89-4303-0410-b956-a3cf2f4a3e73