UI: Fix point size and line width ignoring UI scaling option

source/blender/gpu/intern/gpu_state.c

@@ -25,6 +25,8 @@
  *
  */
 
+#include "DNA_userdef_types.h"
+
 #include "GPU_glew.h"
 #include "GPU_state.h"
 
@@ -110,12 +112,12 @@ void GPU_line_stipple(bool enable)
 
 void GPU_line_width(float width)
 {
-	glLineWidth(width);
+	glLineWidth(width * U.pixelsize);
 }
 
 void GPU_point_size(float size)
 {
-	glPointSize(size);
+	glPointSize(size * U.pixelsize);
 }
 
 void GPU_polygon_smooth(bool enable)