updated build instructions
updated build instructions

certator/tuxguitar_mod,jfinkels/tuxguitar,jfinkels/tuxguitar,certator/tuxguitar_mod,certator/tuxguitar_mod,certator/tuxguitar_mod,jfinkels/tuxguitar,jfinkels/tuxguitar,jfinkels/tuxguitar,certator/tuxguitar_mod,jfinkels/tuxguitar,jfinkels/tuxguitar