add missing includes


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@53989 954f8c5b-7b00-dc11-b283-0030488c597c
Confirming GPL license and thanks to the people who provided the matcaps:

Knt Trammell and Aidy Burrows and John Herreno.



git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@53990 954f8c5b-7b00-dc11-b283-0030488c597c