fix python script

gopro_8:7/unfish_gopro_8:7.py

@@ -92,7 +92,7 @@ output_size_vertical   = gopro_size_vertical
 
 output_scale_horizontal = output_size_horizontal / gopro_size_horizontal
 
-print("""// parameters
+print("""// parameters\n
 const vec2  sensor_size              = vec2(%.6f, %.6f);
 const vec2  rectilinear_scale        = vec2(%.6f, 1.0);
 const float equidistant_focal_length = %.6f;