This commit fixes this issue:
| In file included from gstvaapidisplay_glx.c:31:0:
| gstvaapiutils_glx.h:148:5: error: unknown type name 'PFNGLMULTITEXCOORD2FPROC'
| make[4]: *** [libgstvaapi_glx_0.10_la-gstvaapidisplay_glx.lo] Error 1

| ERROR: Function failed: do_compile (see /srv/home/nitin/build-test-bsps/build-sugarbay/tmp/work/x86_64-poky-linux/gstreamer-vaapi/0.3.8+gitAUTOINC+6ec4c2252a4aa706cd8631cb1083828485b9df9a-r0/temp/log.do_compile.73657

Found a solution to the issue here:
  https://bugs.freedesktop.org/show_bug.cgi?id=56516



Fixed the issue as per the comments on the above bug.

Fixes this bug:
[YOCTO #3722]

Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>