* Brought over a 'mode' parameter to drawcircball to prevent

further loss of Hos' hair during tuhopuu merges.

This doesn't change any user functionality. 'Mode' can be
GL_LINE_LOOP for a circle outline (as it currently is), GL_POLYGON
for a filled circle, or whatever gl mode you like.

source/blender/src/transform_constraints.c

@@ -696,7 +696,7 @@ void BIF_drawPropCircle()
 		mygetmatrix(tmat);
 		Mat4Invert(imat, tmat);
 		
- 		drawcircball(t->center, t->propsize, imat);
+ 		drawcircball(GL_LINE_LOOP, t->center, t->propsize, imat);
 		
 		/* if editmode we restore */
 		if(G.obedit) myloadmatrix(G.vd->viewmat);