win warn: fix extra "," in RStipples.h in array
win warn: fix extra "," in RStipples.h in array

Warning message:

C:\build\workspace\root-pullrequests-build\build\include\RStipples.h(292): warning C4838: conversion from 'int' to 'const unsigned char' requires a narrowing conversion [C:\build\workspace\root-pullrequests-build\build\graf3d\gl\RGL.vcxproj]

karies/root,olifre/root,root-mirror/root,olifre/root,karies/root,olifre/root,karies/root,olifre/root,karies/root,root-mirror/root,karies/root,root-mirror/root,olifre/root,olifre/root,karies/root,olifre/root,root-mirror/root,karies/root,olifre/root,root-mirror/root,root-mirror/root,karies/root,olifre/root,root-mirror/root,karies/root,root-mirror/root,root-mirror/root,olifre/root,karies/root,root-mirror/root,olifre/root,root-mirror/root,karies/root