package/x11r7/xlib_libXpm: bump version to 3.5.12
Fixes CVE-2016-10164: The affected code is prone to two 32 bit integer
overflows while parsing extensions: the amount of extensions and their
concatenated length.
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
(cherry picked from commit e9f66e194a43e9dac4a8c88bcb5b3253845cd805)