GLES-Render files in GBox2D

[corzej]

GLES-Render files in GBox2D occurs O-Linker Error. I removed GLES-Render.h, GLES-Render.mm from GBox2D and error is gone. I seem like you had removed it on your past commit. However, it is included in your last commit.

Thank you

[basilabbassv]

Yea. I am having the very same issue as well.