fix a syntax error in setup.py
fix a syntax error in setup.py

Signed-off-by: Johannes Dewender <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@JonnyJD.net>

mikenawrocki/rtslib-fb,mikenawrocki/rtslib-fb,cvubrugier/rtslib-fb,agrover/rtslib-fb