Freetype 2.5.1 changes the location of the header files but as directly
including the files isn't recommended they don't see this as a problem. Change
libxft to use the recommended macros instead of direct inclusion, to fix the
compilation.
(From OE-Core rev: dbefa64dda9b0d5f12b37e3ef21831d78663afa6)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>