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ref: e8b964dec4f3784e197691aba04e78b1db4f939f parent: 621d494902a1330dea631dbcad54d772637e41ac author: Marc-Alexandre Espiaut <marcalexandre@member.fsf.org> date: Tue Jun 5 07:53:37 EDT 2018
Removing unused but set variables in rt_draw.c