Fix GPU linking Error.

"The geometry shader uses varying _I;gl_PerVertex;gl_ClipDistance, but previous shader does not write to it."

source/blender/draw/modes/shaders/overlay_face_wireframe_vert.glsl

@@ -43,6 +43,10 @@ void main()
 	gl_Position = ModelViewProjectionMatrix * vec4(pos, 1.0);
 
 	facing_g = normalize(NormalMatrix * nor).z;
+
+#ifdef USE_WORLD_CLIP_PLANES
+	world_clip_planes_calc_clip_distance((ModelMatrix * vec4(pos, 1.0)).xyz);
+#endif
 }
 
 #else /* SELECT_EDGES */