Tsk! glGetFloatv() gives alpha too for GL_CURRENT_COLOR, so a four long vector is needed!

source/blender/editors/space_view3d/drawarmature.c

@@ -1894,7 +1894,7 @@ static void draw_pose_bones(Scene *scene, View3D *v3d, ARegion *ar, Base *base,
 			float vec[3];
 
 			unsigned char col[4];
-			float col_f[3];
+			float col_f[4];
 			glGetFloatv(GL_CURRENT_COLOR, col_f); /* incase this is not set below */
 			rgb_float_to_byte(col_f, col);
 			col[3]= 255;