code cleanup: rename BMVert *v[3]; --> 'v_tri', since 'v' is normally for single verts.


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@53861 954f8c5b-7b00-dc11-b283-0030488c597c
fix bug in dyntopo - check to remove pbvh vert was always false.


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@53862 954f8c5b-7b00-dc11-b283-0030488c597c