libc2dcolorconvert: add include for kernel headers

The header msm_kgsl.h is needed.

Change-Id: Ic3ad83a7e80b99d848174fa047843a69a382cc54
Signed-off-by: Michael Bestas <mikeioannina@gmail.com>
Add missing stuff that causes compile errors

Change-Id: I93036781cab1d81d8e22a626d61348b71203380b
Allow usage of kernel headers

Change-Id: Ie8ede5469ebd15f108588609f9664518c960a026