Allow upstream to compile
Transfer changesets b72c1436164c5f6609d760f3983f45ec6038259d and
be5b2e4dfb4a30b0ba661764258b28e090b00bcd from branch '2011.11':

* Add patch from https://bugzilla.libsdl.org/show_bug.cgi?id=1769 to allow the host version of SDL to compile with recent xorg headers.  This patch was committed upstream to the 1.2 branch on 2013-06-06 but the most recent 1.2 release appears to be 1.2.15 (2012-01-20).
* Run autogen.sh in order to get updated configure script
Merge buildroot-linux into minimal