fixing rpi makefile
fixing rpi makefile

kevindeland/glslViewer,dorald/glslViewer,dorald/glslViewer,jjhoughton/glslViewer,jjhoughton/glslViewer,jjhoughton/glslViewer,kevindeland/glslViewer,patriciogonzalezvivo/glslViewer,patriciogonzalezvivo/glslViewer